Return labels and return services
A business gives its customers prepaid USPS return labels, and the business, not the customer, pays the postage for each package that comes back.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“USPS Returns allows merchants to provide a pre-printed, postage paid return label for their customers to return merchandise.”USPS originalPublication 32: Glossary of Postal TermsPDF page 162“The customer mails the parcel back to the permit holder who pays the return postage.”USPS original USPS Returns prices each returned package and charges the business at the delivery scan.USPS Returns User Guidepage 3“The upgraded infrastructure enables USPS to price each package individually, provide package-level visibility for pricing, eliminate most manual pricing activities, and return packages directly to Returns customers.”USPS originalUSPS Returns Fact SheetPDF page 1“The Package Platform will charge the EPS account associated to the MID at the time of the delivery scan event or 14 days after last scan event.”USPS original Parcel Return Service lets a shipper collect returns in bulk, and Bulk Parcel Return Service brings back USPS Marketing Mail parcels.Publication 32: Glossary of Postal TermsPDF page 162“The parcels bear a USPS-approved Parcel Return Service label and are received in bulk by the permit holder or authorized agent at designated return network distribution centers or return delivery units.”USPS originalPostalPro: Bulk Parcel Return Service“Bulk parcel return service (BPRS) allows mailers of large quantities of Standard Mail machinable parcels that are either undeliverable-as-addressed or opened and remailed by addressees to be returned to designated postal facilities.”USPS originalParcel Labeling Guidepage 30“The outbound shipping label (available only on USPS Marketing Mail) must conform to the general labeling rules described in Section 2 of this document with either “Return Service Requested - BPRS” or “Address Service Requested - BPRS” endorsement.”USPS original
Questions
Can I give a return package to a USPS driver or put it in a mailbox?
Yes: USPS Returns packages, USPS Ground Advantage Return among them, can go back with the carrier by Package Pickup or in a blue collection box.USPS Returns User Guidepage 7“Deposit of USPS Returns packages may be initiated by consumers through retail, carrier pickup, or drop-off in a collection box.”USPS originalParcel Labeling Guidepage 21“USPS Returns services include labels for Priority Mail Return service, Priority Mail Express Return service, and USPS Ground Advantage Return service.”USPS originalPostal Bulletin 22355: 2013 name changes for product and extra services (Jan 2013)““Package Pickup” is used instead of Carrier Pickup”USPS originalPublication 32: Glossary of Postal TermsPDF page 46“A four-footed, free-standing blue-painted street box that is used by the public to deposit outgoing prepaid letters, flats, and lightweight parcels.”USPS original Package Pickup, formerly Carrier Pickup, lets a customer leave certain postage-paid mailpieces in the home mailbox for the carrier, free on a regular delivery.Publication 32: Glossary of Postal Termspage 33“A service that allows customers to leave certain types of postage-paid mailpieces at a business, in the home mailbox, or at the front door for carriers to collect on their regularly scheduled delivery routes. … Pickups, which can be scheduled by telephone or online, are available at no additional charge when the carrier collects the pieces while making a regular delivery.”USPS originalPostal Bulletin 22355: 2013 name changes for product and extra services (Jan 2013)““Package Pickup” is used instead of Carrier Pickup”USPS original Consumers may also hand Parcel Return Service parcels to Postal Service personnel.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“Consumers may return PRS parcels by giving the parcels to Postal Service personnel.”USPS original
How long is a USPS return label good for?
A USPS Returns label does not expire, under the service's user guide of October 10, 2019.USPS Returns User Guidepage 12“No, USPS Returns labels do not expire.”USPS originalUSPS Returns User GuidePDF page 1“Version 1.0 October 10, 2019”USPS original The business that issued it pays for every processed package that carries its Mailer ID in the barcode.USPS Returns User Guidepage 12“USPS Returns customers are responsible for payment for all processed packages with their MID in the IMpb.”USPS original A Parcel Return Service shipper also pays for parcels that arrive with its labels after its authorization is cancelled.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 91“The shipper is responsible for payment of any packages that continue to come in with approved PRS labels after the authorization has been cancelled.”USPS original
How long does a USPS Ground Advantage return take?
A USPS Returns package sent by USPS Ground Advantage Return takes 2 to 5 days.API Tech Sheetpage 1“Ship USPS Returns with Priority Mail (1–3 days), Priority Mail Express (1-2 days), and Ground Advantage (2-5 days)”USPS original As of USPS's fiscal year 2025, USPS Ground Advantage delivers in 2 to 5 days across the continental U.S., without a guarantee.USPS Report on Form 10-K, fiscal year 2025PDF page 7“USPS Ground Advantage - This ground shipping sub-category provides a simple, reliable, and affordable way to ship packages weighing up to 70 pounds with day specific (non-guaranteed) delivery in 2 to 5 days across the continental U.S.”USPS originalUSPS Report on Form 10-K, fiscal year 2025PDF page 1“For the fiscal year ended September 30, 2025”USPS original Priority Mail Return takes 1 to 3 days, and Priority Mail Express Return 1 to 2 days.API Tech Sheetpage 1“Ship USPS Returns with Priority Mail (1–3 days), Priority Mail Express (1-2 days), and Ground Advantage (2-5 days)”USPS original
How do I create a USPS return shipping label?
A business makes its customers' return labels with the Merchant Returns API, the free Merchant Return website, or its own or a vendor's software.PostalPro: Merchant Returns API“The API allows merchants to directly offer merchant-funded USPS return labels from their own websites.”USPS originalDomestic Merchant Returns API: User Guidepage 67“Each merchant enrolled is automatically provided (free of charge) a website for their customers to generate return labels.”USPS originalUSPS Returns User Guidepage 4“USPS Returns customers may purchase software through a vendor that has authorized USPS label options. … USPS Returns customers may create their own labels with barcode/label template software.”USPS original USPS must certify a USPS Returns label before the business hands it out.Parcel Labeling Guidepage 21“USPS Returns label standard sizes are 4x6, 4x4, or 3x6 and must be certified by the USPS for use prior to distribution.”USPS original The customer gets the label from the business, with the product or online.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“Return labels may be distributed with the product or printed online.”USPS original
How much is a USPS return label?
The customer pays nothing: the business that issued the label pays the return postage, at published commercial prices or its own contract prices.Publication 32: Glossary of Postal TermsPDF page 162“The customer mails the parcel back to the permit holder who pays the return postage.”USPS originalPublication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“USPS Returns allows merchants to provide a pre-printed, postage paid return label for their customers to return merchandise.”USPS originalUSPS Returns User Guidepage 7“USPS Returns packages will be priced per transaction using published commercial, NSA or CPP prices, as applicable as they move through the USPS network and as follows:”USPS original Postage is set by the package's weight and the zone between its origin and delivery ZIP Codes, at the commercial prices of its class: Priority Mail Express, Priority Mail or USPS Ground Advantage.DMM 505: Return Services (July 2026)“Postage is calculated based on the weight of the return package, and the zone associated with the point of origin and delivery ZIP Code … Priority Mail Express commercial prices are available for account holders using Priority Mail Express Return service, when all applicable requirements are met. … Priority Mail commercial prices are available for account holders using Priority Mail Return service, when all applicable requirements are met. … USPS Ground Advantage — Commercial prices are available for USPS Ground Advantage Return service packages when all applicable requirements are met.”USPS original As of October 4, 2026, a USPS Ground Advantage commercial parcel of up to 4 ounces cost $7.33 in zone 1 and $8.95 in zone 8.Notice 123: Price List (effective October 4, 2026)“Notice 123 • Effective October 04, 2026 … | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | | 4 oz | $7.33 | $7.34 | $7.70 | $7.86 | $8.24 | $8.41 | $8.62 | $8.95 | $8.95 |”USPS original A Priority Mail commercial package of up to half a pound cost $9.44 in zone 1 and $16.07 in zone 8.Notice 123: Price List (effective October 4, 2026)“| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | | 0.5 | $9.44 | $9.72 | $10.11 | $10.80 | $13.82 | $15.32 | $15.93 | $16.07 | $33.33 |”USPS original The business's account is charged at the delivery scan, or 14 days after the last scan.USPS Returns Fact SheetPDF page 1“The Package Platform will charge the EPS account associated to the MID at the time of the delivery scan event or 14 days after last scan event.”USPS original
Can USPS print a shipping label without a QR code?
Yes: with USPS Label Broker, a customer prints a label from its QR code or its Label Broker ID, at a Post Office or on USPS.com.Domestic Merchant Returns API: User Guidepage 60“It allows customers to print labels using a QR Code or Label Broker Label ID at a USPS® Post Office® or via USPS.com.”USPS original At the retail counter, the retail associate prints and applies the label, so the customer needs no printer.Domestic Merchant Returns API: User Guidepage 60“The consumer will need to show the Label Broker code to the USPS® Retail Associate at the Retail Counter who will print and apply the linked label to the shipment. … The USPS® Label Broker® service facilitates shipping for consumers without access to a printer.”USPS original A merchant sends a label to Label Broker through the Merchant Returns API.Domestic Merchant Returns API: User Guidepage 25“Send the label to the USPS® Label Broker.”USPS original
What does a USPS return label look like?
A USPS Returns label is 4x6, 4x4 or 3x6 inches and is addressed directly to the business that issued it.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“The standard sizes for return shipping labels are 4x6, 4x4 and 3x6 inches. … The USPS return label is addressed directly to the permit holder’s address”USPS original It carries a service banner such as Priority Mail Return and an Intelligent Mail package barcode with the business's Mailer ID.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“A service banner which indicates the requested service based on the STC list (Appendix I) … An Intelligent Mail package barcode (IMpb) must be printed on each shipping label along with the merchant’s Mailer Identification (MID).”USPS original Its postage imprint reads NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES.Parcel Labeling Guidepage 10“Returns Labels follow the same general rules as standard Permit Imprints described above and include the text “NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES.””USPS original
What is an NDC in USPS Parcel Return Service?
Parcel Return Service's NDC is the Return Network Distribution Center, or RNDC: a network distribution center designated as a pickup location for its parcels.Publication 32: Glossary of Postal TermsPDF page 196“(1) A network distribution center designated as a pickup location for Parcel Return Service parcels. (2) (capitalized) A price for Parcel Return Service parcels retrieved by the permit holder or agent at a return network distribution center.”USPS originalPRC: Mail Classification Schedule through July 12, 2026 (docx, converted to HTML with mammoth)“A network distribution center designated for merchants utilizing Parcel Return Service to retrieve returned parcels.”USPS original RNDC was also a Parcel Return Service price until January 17, 2016, when USPS discontinued it to simplify the product.Publication 32: Glossary of Postal TermsPDF page 196“(1) A network distribution center designated as a pickup location for Parcel Return Service parcels. (2) (capitalized) A price for Parcel Return Service parcels retrieved by the permit holder or agent at a return network distribution center.”USPS originalPostal Bulletin 22430: DMM revision, competitive products pricing and mailing standards changes for January 17, 2016 (Dec 2015)“The Postal Service will discontinue the RNDC price option to simplify this product offering. … As of January 17, 2016, parcels entered at RNDC prices will be charged the applicable Parcel Select Ground price.”USPS original Parcel Return Service shippers pick their parcels up at Return Delivery Units and Returns Processing Facilities.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“PRS parcels are picked up by consolidators or shippers at Return Delivery Units (RDU) or Return Processing Facilities (RPF – formerly RSCF: see note).”USPS original
How can I void return shipping labels before they have been scanned?
USPS Ship, USPS's package platform for postage payment, doesn't need return labels voided: it does not charge for them until they have been scanned.eVS to USPS Ship Migration Tech Sheetpage 1“USPS Ship is a next generation package platform for postage payment and pricing adjustments.”USPS originalUSPS Ship Frequently Asked Questionspage 5“USPS Ship does not charge for return labels until they have been scanned.”USPS original USPS Returns charges the business's Enterprise Payment System account at the delivery scan, or 14 days after the last scan.USPS Returns Fact SheetPDF page 1“The Package Platform will charge the EPS account associated to the MID at the time of the delivery scan event or 14 days after last scan event.”USPS original A merchant can void a label it stored in USPS Label Broker through the Merchant Returns API, so it can no longer be printed.Domestic Merchant Returns API: User Guidepage 61“Using the unique code generated when a label is stored in USPS Label Broker®, merchants can void a label such that it will not be retained and can no longer be printed. … Only label broker IDs stored by a merchant can be voided by that merchant.”USPS original
How it fits together
A business gives its customers prepaid labels from one of USPS's return services.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“USPS Returns allows merchants to provide a pre-printed, postage paid return label for their customers to return merchandise.”USPS originalPublication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“PRS Permit holders or their clients may distribute PRS labels to their consumers to make it easy to return merchandise.”USPS original USPS Returns labels send a package back by Priority Mail Return, Priority Mail Express Return or USPS Ground Advantage Return.Parcel Labeling Guidepage 21“USPS Returns services include labels for Priority Mail Return service, Priority Mail Express Return service, and USPS Ground Advantage Return service.”USPS original Parcel Return Service is for shippers that collect their returns in bulk at postal facilities.Publication 32: Glossary of Postal TermsPDF page 162“The parcels bear a USPS-approved Parcel Return Service label and are received in bulk by the permit holder or authorized agent at designated return network distribution centers or return delivery units.”USPS original Bulk Parcel Return Service brings back USPS Marketing Mail parcels that USPS can't deliver or that addressees open and remail.PostalPro: Bulk Parcel Return Service“Bulk parcel return service (BPRS) allows mailers of large quantities of Standard Mail machinable parcels that are either undeliverable-as-addressed or opened and remailed by addressees to be returned to designated postal facilities.”USPS originalParcel Labeling Guidepage 30“The outbound shipping label (available only on USPS Marketing Mail) must conform to the general labeling rules described in Section 2 of this document with either “Return Service Requested - BPRS” or “Address Service Requested - BPRS” endorsement.”USPS original
The label reaches the customer with the product, online or at a Post Office.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“Return labels may be distributed with the product or printed online.”USPS originalDomestic Merchant Returns API: User Guidepage 60“It allows customers to print labels using a QR Code or Label Broker Label ID at a USPS® Post Office® or via USPS.com.”USPS original The Merchant Returns API and the free Merchant Return website let a merchant's customers make labels from the merchant's own site.PostalPro: Merchant Returns API“The API allows merchants to directly offer merchant-funded USPS return labels from their own websites.”USPS originalDomestic Merchant Returns API: User Guidepage 67“Each merchant enrolled is automatically provided (free of charge) a website for their customers to generate return labels. … This website can be embedded in the merchant’s website or can be accessed directly.”USPS original USPS Label Broker serves customers without a printer: a Post Office prints the label for them.Domestic Merchant Returns API: User Guidepage 60“The USPS® Label Broker® service facilitates shipping for consumers without access to a printer. … The consumer will need to show the Label Broker code to the USPS® Retail Associate at the Retail Counter who will print and apply the linked label to the shipment.”USPS original
The customer sends the package at a Post Office, by Package Pickup or in a collection box.USPS Returns User Guidepage 7“Deposit of USPS Returns packages may be initiated by consumers through retail, carrier pickup, or drop-off in a collection box. … Consumers can also scan the Quick Release (QR) Code on the USPS Returns label to request free package pickup or to locate a Post Office for package drop off, if one is pre-printed on the label by the USPS Returns customer.”USPS originalPostal Bulletin 22355: 2013 name changes for product and extra services (Jan 2013)““Package Pickup” is used instead of Carrier Pickup”USPS original USPS delivers a USPS Returns package directly to the business.USPS Returns User Guidepage 3“The upgraded infrastructure enables USPS to price each package individually, provide package-level visibility for pricing, eliminate most manual pricing activities, and return packages directly to Returns customers.”USPS original Parcel Return Service shippers pick their parcels up at two kinds of postal facility, Return Delivery Units and Returns Processing Facilities.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“PRS parcels are picked up by consolidators or shippers at Return Delivery Units (RDU) or Return Processing Facilities (RPF – formerly RSCF: see note).”USPS original
The business, not the customer, pays the return postage.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“USPS Returns allows merchants to provide a pre-printed, postage paid return label for their customers to return merchandise.”USPS originalPublication 32: Glossary of Postal TermsPDF page 162“The customer mails the parcel back to the permit holder who pays the return postage.”USPS original USPS Returns charges the business at the delivery scan.USPS Returns Fact SheetPDF page 1“The Package Platform will charge the EPS account associated to the MID at the time of the delivery scan event or 14 days after last scan event.”USPS original Parcel Return Service takes postage from the shipper's manifests, and Bulk Parcel Return Service charges for each parcel returned.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 21“Electronic files from PRS customers are used to calculate postage which is electronically deducted from the shipper’s PostalOne! postage payment account.”USPS originalDMM 505: Return Services (July 2026)“For this service, a mailer establishes a BPRS permit and pays a per piece charge for each parcel returned from an advance deposit account.”USPS original
Return services
A merchant qualifies for USPS Returns with at least 10,000 returns a year, counted across any mix of eligible mail classes.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“Receive a minimum of 10,000 returns per year. … Any combination of eligible classes of mail may be combined to meet this threshold.”USPS original Its labels send packages by one of three return services, set by the service type code in the label's barcode.Parcel Labeling Guidepage 21“USPS Returns services include labels for Priority Mail Return service, Priority Mail Express Return service, and USPS Ground Advantage Return service.”USPS originalUSPS Returns User Guidepage 4“The STC is a unique identifier included in the IMpb which specifies the Mail Class and may include Extra Services”USPS original
USPS built USPS Returns as an automated way to verify and pay for the returns of two returns products, Merchandise Return Service and Scan Based Payment.USPS Returns User Guidepage 3“USPS has developed a new automated verification and payment method for Merchandise Return Service (MRS) and Scan Based Payment (SBP) customers, which is branded as USPS Returns®.”USPS originalPublication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 506“Added Merchandise Return Service (MRS) and Scan Based Payment (SBP) products to Chapter 8, Product Specific Information”USPS original It replaces manual postage and fee assessments.USPS Returns User Guidepage 3“The new methodology for USPS Returns replaces current manual postage and fee assessments and improves visibility of return packages.”USPS original Under its user guide of October 10, 2019, Merchandise Return Service customers had to move to the USPS Returns label.USPS Returns User GuidePDF page 1“Version 1.0 October 10, 2019”USPS originalUSPS Returns User Guidepage 12“All other customers, including those using MRS, must transition to the new automated USPS Returns label design.”USPS original USPS had retired Merchandise Return Service by July 14, 2022.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 496“Date: 7/14/2022 1) Section 2.4 - Added Package Platform Concept (PPC) information 2) Section 7.2 – Updated the list of correctable fields in a Shipping Services File. 3) Section 8.5.1 - Updated included insurance information for Priority Mail Outbound and Returns (changing July 10, 2022) 4) Section 8.12 – Removed Merchandise Return Service (MRS) - Retired”USPS original
Parcel Return Service is a national program for return parcels that runs on electronic manifests.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“Traditional Parcel Return Service (PRS) is a national program that allows return parcel business with the Postal Service using electronic technology.”USPS originalPublication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 21“Electronic files from PRS customers are used to calculate postage which is electronically deducted from the shipper’s PostalOne! postage payment account.”USPS original Its shippers need a Negotiated Service Agreement, and its parcels can't carry extra services.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“Shippers participating in the Traditional PRS program must have a Negotiated Service Agreement.”USPS originalPublication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 28“PRS does not allow for any Extra Services.”USPS original The traditional program is moving into USPS Ship, on a date USPS decides.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“The traditional PRS program is being built into the new USPS Ship platform. … USPS reserves the right to determine when PRS customers must migrate to USPS Ship.”USPS original
Bulk Parcel Return Service starts on the outbound parcel: a USPS Marketing Mail parcel goes out with an endorsement for the service on its label.Parcel Labeling Guidepage 30“The outbound shipping label (available only on USPS Marketing Mail) must conform to the general labeling rules described in Section 2 of this document with either “Return Service Requested - BPRS” or “Address Service Requested - BPRS” endorsement.”USPS original When USPS can't deliver it, or the addressee opens and remails it, the parcel goes to a designated postal facility.PostalPro: Bulk Parcel Return Service“Bulk parcel return service (BPRS) allows mailers of large quantities of Standard Mail machinable parcels that are either undeliverable-as-addressed or opened and remailed by addressees to be returned to designated postal facilities.”USPS original
A service type code for each of the three USPS Returns services.
| Code | Description | Mail class | Extra service codes |
|---|---|---|---|
| 019 | Priority Mail Return | PM | 452 |
| 020 | USPS Ground Advantage Return: Up to 15.999oz | FC | 452 |
| 022 | USPS Ground Advantage Return: One Pound or More | FC | 452 |
| 796 | Priority Mail Express Return | EX | 452, 981 |
4 codes in the IMpb Service Type Code List, Appendix I, where Code is 019 or 020 or 022 or 796.
Priority Mail Return Service
Also called MR, Priority Mail Return
“USPS Returns services include labels for Priority Mail Return service, Priority Mail Express Return service, and USPS Ground Advantage Return service.”Parcel Labeling Guidepage 21“USPS Returns services include labels for Priority Mail Return service, Priority Mail Express Return service, and USPS Ground Advantage Return service.”USPS original
Parcel Return Service
Also called PRS, Parcel Returns Services, Parcel Select Return Service
“is a national program that enables return parcel business with the Postal Service using electronic technology.”Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 31“is a national program that enables return parcel business with the Postal Service using electronic technology.”USPS original
USPS Returns
“allows merchants to provide a pre-printed, postage paid return label for their customers to return merchandise.”Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“allows merchants to provide a pre-printed, postage paid return label for their customers to return merchandise.”USPS original
Negotiated Service Agreement
Also called NSA, Negotiation Service Agreements
“A customized and mutually beneficial contractual agreement between USPS and a specific mailer (customer or organization).”Publication 32: Glossary of Postal Termspage 143“A customized and mutually beneficial contractual agreement between USPS and a specific mailer (customer or organization).”USPS original
Return labels
A business makes its own return labels, with software it buys or builds, or with the Merchant Returns API.USPS Returns User Guidepage 4“USPS Returns customers may purchase software through a vendor that has authorized USPS label options. … USPS Returns customers may create their own labels with barcode/label template software.”USPS originalDomestic Merchant Returns API: User Guidepage 14“It is used to generate single or bulk return shipping labels in either a TIF, PDF or PNG format.”USPS original The labels go out with the product or are printed online.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“Return labels may be distributed with the product or printed online.”USPS original The National Customer Support Center certifies Parcel Return Service labels before they go out.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 88“Shipper will ensure that samples of all client and Shipper PRS Labels are submitted and certified by the USPS National Customer Support Center (NCSC) for use prior to distribution.”USPS original
USPS Returns label standard sizes are 4x6, 4x4, or 3x6 and must be certified by the USPS for use prior to distribution.Parcel Labeling Guidepage 21“USPS Returns label standard sizes are 4x6, 4x4, or 3x6 and must be certified by the USPS for use prior to distribution.”USPS original
A USPS Returns label comes in one of three standard sizes, and USPS must certify it before the business hands it out. Any other size needs written approval from the National Customer Support Center.Parcel Labeling Guidepage 21“All other label sizes require written approval from the National Customer Support Center (NCSC).”USPS original
Each USPS Returns label carries an Intelligent Mail package barcode with the merchant's Mailer ID.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“An Intelligent Mail package barcode (IMpb) must be printed on each shipping label along with the merchant’s Mailer Identification (MID).”USPS original A business that opens a USPS business account in the Business Portal gets one Returns Mailer ID beside two outbound ones.USPS Business Portal (COP) Onboarding User Guidepage 16“Create newly assigned CRID, two new Outbound MIDs, and one Returns MID.”USPS original
The Merchant Returns API makes single or bulk labels as PDF, TIF or PNG images in a merchant's own application.Domestic Merchant Returns API: User Guidepage 14“It is used to generate single or bulk return shipping labels in either a TIF, PDF or PNG format.”USPS original The free Merchant Return website makes labels with no programming, embedded in the merchant's site or reached directly.Domestic Merchant Returns API: User Guidepage 14“The USPS® Merchant Return website is a free service provided to merchants that totally removes the need for any API development.”USPS originalDomestic Merchant Returns API: User Guidepage 67“This website can be embedded in the merchant’s website or can be accessed directly.”USPS original The API can also email the label to the customer.Domestic Merchant Returns API: User GuidePDF page 29““To:” email address in an email sent by the system containing the return label attachment and message.”USPS original
USPS Label Broker serves customers without a printer.Domestic Merchant Returns API: User Guidepage 60“The USPS® Label Broker® service facilitates shipping for consumers without access to a printer.”USPS original A merchant's API request stores the label in Label Broker, which returns a unique code for it, the Label Broker ID.Domestic Merchant Returns API: User Guidepage 25“Send the label to the USPS® Label Broker.”USPS originalDomestic Merchant Returns API: User Guidepage 61“The USPS Label Broker® will generate a unique code to identify the saved label.”USPS originalUSPS: Label Broker (for business)“You’ll give your customers a unique USPS Label Broker ID that they can use to print a shipping label.”USPS original The merchant texts or emails the customer that ID, which shows on a smartphone as a QR code with 8 to 10 characters below it.USPS: Label Broker (for business)“Store labels in the Label Broker repository and text or email your customers their unique Label Broker ID. … From your smartphone, access your USPS Label Broker ID showing a QR code with 8–10 characters below it.”USPS original
The customer shows the Label Broker ID at a Post Office, and the retail associate prints and applies the label.Domestic Merchant Returns API: User Guidepage 60“The consumer will need to show the Label Broker code to the USPS® Retail Associate at the Retail Counter who will print and apply the linked label to the shipment.”USPS original The customer can also print it without a clerk, at a Self-Service Kiosk in a Post Office or on USPS.com's Label Broker print page.Domestic Merchant Returns API: User Guidepage 60“For additional convenience, self-serve label printing options are also available including the Self-Service Kiosks at Post Offices and the Label Broker print page on USPS.com.”USPS original Label Broker's terms require the customer to ask for Label Broker delivery first.Domestic Merchant Returns API: User Guidepage 60“Please note that it is a condition of Label Broker usage that the end-user request Label Broker label delivery prior to any application making a USPS® APIs-Label Broker request.”USPS original
With USPS Label Delivery, USPS delivers a label to a customer's home or business address for a per-label fee.PRC: Mail Classification Schedule through July 12, 2026 (docx, converted to HTML with mammoth)“Label Delivery Service allows a customer to request, for a per-label fee, delivery of a label to the customer’s residential or business address.”USPS original The fee is $1.65 a label as of July 12, 2026.PRC: Mail Classification Schedule through July 12, 2026 (docx, converted to HTML with mammoth)“Label Delivery (per label) | 1.65 … Revisions Through July 12, 2026”USPS original USPS Label Delivery has its own extra service code, 415.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 496“Appendix J Repurposed Extra Service Code 415 for USPS Label Delivery”USPS original
Extra service codes for USPS Label Delivery and the two return services.
| Code | Extra service |
|---|---|
| 415 | USPS Label Delivery |
| 420 | Parcel Return Service |
| 452 | USPS Returns |
3 codes in the Extra Service Codes, Pub 199 Appendix J Table 7, where Code is 415 or 420 or 452.
A return label may also carry the merchant's references, such as a return merchandise authorization number or an inventory barcode.Parcel Labeling Guidepage 21“Additional information (e.g.: company logo, Return Merchandise Authorization (RMA) number, inventory barcode) may be included in the additional information section if it does not interfere with any of the required elements of the USPS Returns services label.”USPS original It may carry a QR code that links to USPS's package pickup page.Parcel Labeling Guidepage 7“No hyperlinks are permitted other than a QR code referencing the USPS package pickup web page which may be added to pre-paid and returns labels distributed to retail consumers.”USPS original
National Customer Support Center
Also called NCSC, National Customer Service Center
“An organization that provides information, services, and products (e.g., address management software programs such as the City State product, zone charts, directories, testing of ZIP+4 code or delivery point code address matching software) that improve addressing quality for mailings that qualify for certain prices.”Publication 32: Glossary of Postal TermsPDF page 144“An organization that provides information, services, and products (e.g., address management software programs such as the City State product, zone charts, directories, testing of ZIP+4 code or delivery point code address matching software) that improve addressing quality for mailings that qualify for certain prices.”USPS original
USPS Merchant Return website
“Each merchant enrolled is automatically provided (free of charge) a website for their customers to generate return labels.”Domestic Merchant Returns API: User Guidepage 67“Each merchant enrolled is automatically provided (free of charge) a website for their customers to generate return labels.”USPS original
return merchandise authorization
Also called RMA, Return Merchant Authorization
“Return Merchandise Authorization (also known as “package information” or “packageInfo”. Maps to “Customer Reference 1” in the shipping services file.”Domestic Merchant Returns API: User Guidepage 12“Return Merchandise Authorization (also known as “package information” or “packageInfo”. Maps to “Customer Reference 1” in the shipping services file.”USPS original
Intelligent Mail Package Barcode
Also called IMpb
“An IMpb is the USPS-developed barcode that can be read by automated parcel-processing equipment and scanning devices and consists of a data string that generally follows the GS1-128 specification.”IMpb/IMmb Electronic File Transmission RequirementsPDF page 1“An IMpb is the USPS-developed barcode that can be read by automated parcel-processing equipment and scanning devices and consists of a data string that generally follows the GS1-128 specification.”USPS original
Mailer Identifier
Also called MID, Mailer IDs, Mailer Identification, Mailer Identification Number, USPS Mailer ID
“MID is a unique 6- or 9-digit number that identifies the mailer or the mailer’s client.”Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 474“MID is a unique 6- or 9-digit number that identifies the mailer or the mailer’s client.”USPS original
Sending returns back
A customer sends a return at a Post Office, by Package Pickup or in a collection box.USPS Returns User Guidepage 7“Deposit of USPS Returns packages may be initiated by consumers through retail, carrier pickup, or drop-off in a collection box. … Consumers can also scan the Quick Release (QR) Code on the USPS Returns label to request free package pickup or to locate a Post Office for package drop off, if one is pre-printed on the label by the USPS Returns customer.”USPS originalPostal Bulletin 22355: 2013 name changes for product and extra services (Jan 2013)““Package Pickup” is used instead of Carrier Pickup”USPS original With a QR code the business preprinted on the label, the customer can request a free pickup or find a Post Office.USPS Returns User Guidepage 7“Consumers can also scan the Quick Release (QR) Code on the USPS Returns label to request free package pickup or to locate a Post Office for package drop off, if one is pre-printed on the label by the USPS Returns customer.”USPS original Parcel Return Service parcels can also be handed to Postal Service personnel.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“Consumers may return PRS parcels by giving the parcels to Postal Service personnel.”USPS original
Written instructions must be provided with the label that, at a minimum, directs the customer to do the following:DMM 505: Return Services (July 2026)“Written instructions must be provided with the label that, at a minimum, directs the customer to do the following:”USPS original
A business that gives out USPS Returns labels must give the customer written instructions with each label. At a minimum, the instructions must tell the customer how to address and attach the label and how to mail the package.
The written instructions tell the customer to follow these steps.
- The customer prints their name and address in the return address area, if not preprinted.DMM 505: Return Services (July 2026)“If your name and address are not already preprinted in the return address area, print them neatly in that area or attach a return address label there.”USPS original
- The customer attaches the label flat on the largest side, with no tape over barcodes.DMM 505: Return Services (July 2026)“Attach the label squarely onto the largest side of the package, centered if possible. Place the label so that it does not fold over to another side. Do not place tape over any barcodes on the label or any part of the label where postage and fee information will be recorded.”USPS original
- The customer removes or crosses out other addresses, barcodes and price markings.DMM 505: Return Services (July 2026)“Remove or obliterate any other addresses, barcodes, or price markings on the outside packaging.”USPS original
- The customer mails it at a Post Office, a collection box or with the carrier.DMM 505: Return Services (July 2026)“Mail the labeled USPS Returns service package at a Post Office, drop it in a collection box, leave it with your USPS carrier, or schedule a package pickup at *usps.com*.”USPS original
USPS delivers a USPS Returns package directly to the business and prices it individually.USPS Returns User Guidepage 3“The upgraded infrastructure enables USPS to price each package individually, provide package-level visibility for pricing, eliminate most manual pricing activities, and return packages directly to Returns customers.”USPS original The business can sign up for a notice when a package enters the mail.USPS Returns User Guidepage 7“USPS Returns customer can enroll in package tracking and receive a notification when their USPS Returns packages have been detected as being entered into the USPS mailstream.”USPS original Each Merchant Returns API label has a barcode that tracks on USPS.com.PostalPro: Merchant Returns API“The return labels also each have an Intelligent Mail Package Barcode (IMpb) that can be tracked on USPS.com.”USPS original
Parcel Return Service shippers, or consolidators working for them, pick their parcels up at Return Delivery Units and Returns Processing Facilities.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“PRS parcels are picked up by consolidators or shippers at Return Delivery Units (RDU) or Return Processing Facilities (RPF – formerly RSCF: see note).”USPS original USPS notifies the shipper when parcels wait at a Return Delivery Unit, and the shipper picks up from a Returns Processing Facility on a schedule.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“PRS shippers are notified when parcels are available for pick up at RDU postal facilities and pick up as scheduled from RPF postal facilities.”USPS original Parcels left too long at a Return Delivery Unit flow back to the Returns Processing Facility.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 21“If these packages are not picked up in a timely manner, they will back flow to the RPF for pick up.”USPS original
For USPS Ship, the Return Sectional Center Facility, or RSCF, has been renamed the Returns Processing Facility.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 183“Return Sectional Center Facility”USPS originalPublication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“Note: RSCF has been redesignated as RPF for USPS Ship.”USPS original Parcel Return Service's price categories still use the RSCF name as of July 12, 2026.PRC: Mail Classification Schedule through July 12, 2026 (docx, converted to HTML with mammoth)“RSCF – Contains merchandise and is retrieved in bulk at a return sectional center facility, or other equivalent facility … Revisions Through July 12, 2026”USPS original
Bulk Parcel Return Service parcels wait at a designated postal facility for the mailer to pick up, or USPS delivers them.PostalPro: Bulk Parcel Return Service“The mailer has the option of picking up all returned parcels from a designated postal facility at a predetermined frequency specified by the USPS or having them delivered by the USPS in a manner and frequency specified by the USPS.”USPS original
Returns Processing Facility
Also called RPF, RSCF, Return Processing Facilities, Return Processing Facility, Return Sectional Center Facility
“PRS parcels are picked up by consolidators or shippers at Return Delivery Units (RDU) or Return Processing Facilities (RPF – formerly RSCF: see note).”Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 20“PRS parcels are picked up by consolidators or shippers at Return Delivery Units (RDU) or Return Processing Facilities (RPF – formerly RSCF: see note).”USPS original
Return Delivery Unit
Also called RDU, return delivery unit(s)
“(1) A postal facility such as a Post Office, station, or branch designated as a pickup location for Parcel Return Service parcels. (2) (capitalized) A price for Parcel Return Service parcels retrieved by the permit holder or agent at a delivery unit.”Publication 32: Glossary of Postal TermsPDF page 196“(1) A postal facility such as a Post Office, station, or branch designated as a pickup location for Parcel Return Service parcels. (2) (capitalized) A price for Parcel Return Service parcels retrieved by the permit holder or agent at a delivery unit.”USPS original
Package Pickup
“A service that allows customers to leave certain types of postage-paid mailpieces at a business, in the home mailbox, or at the front door for carriers to collect on their regularly scheduled delivery routes. Pickups, which can be scheduled by telephone or online, are available at no additional charge when the carrier collects the pieces while making a regular delivery.”Publication 32: Glossary of Postal Termspage 33“A service that allows customers to leave certain types of postage-paid mailpieces at a business, in the home mailbox, or at the front door for carriers to collect on their regularly scheduled delivery routes. Pickups, which can be scheduled by telephone or online, are available at no additional charge when the carrier collects the pieces while making a regular delivery.”USPS original
collection box
Also called letter box
“A four-footed, free-standing blue-painted street box that is used by the public to deposit outgoing prepaid letters, flats, and lightweight parcels. It has a rounded top and a protective opening cut in near the top that pivots to open and close to receive and protect the items. Each box is secured with special security lock called an arrow lock. The box has a uniform appearance and a nationwide identification system that shows USPS logo, type of service, and collection times provided at each box. In addition to the standard size box, there are larger boxes for high-volume areas, a Priority Mail Express box, and a relay box.”Publication 32: Glossary of Postal TermsPDF page 46“A four-footed, free-standing blue-painted street box that is used by the public to deposit outgoing prepaid letters, flats, and lightweight parcels. It has a rounded top and a protective opening cut in near the top that pivots to open and close to receive and protect the items. Each box is secured with special security lock called an arrow lock. The box has a uniform appearance and a nationwide identification system that shows USPS logo, type of service, and collection times provided at each box. In addition to the standard size box, there are larger boxes for high-volume areas, a Priority Mail Express box, and a relay box.”USPS original
Paying for returns
The business pays the return postage, so the customer sends the package back without paying.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“USPS Returns allows merchants to provide a pre-printed, postage paid return label for their customers to return merchandise.”USPS originalPublication 32: Glossary of Postal TermsPDF page 162“The customer mails the parcel back to the permit holder who pays the return postage.”USPS original
USPS Returns prices each package from the weight, dimensions and mail class USPS collects as it moves through the network.USPS Returns User Guidepage 18“Attributes such as: weight, dimensions, and class of mail are collected as packages move through the network and those attributes are used to accurately price packages.”USPS original It uses published commercial prices or the business's contract prices.USPS Returns User Guidepage 7“USPS Returns packages will be priced per transaction using published commercial, NSA or CPP prices, as applicable as they move through the USPS network and as follows:”USPS original The business pays through its Enterprise Payment System account, charged at the delivery scan or 14 days after the last scan.Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment Systemspage 120“Postage must be paid via Enterprise Payment System (EPS) account.”USPS originalUSPS Returns Fact SheetPDF page 1“The Package Platform will charge the EPS account associated to the MID at the time of the delivery scan event or 14 days after last scan event.”USPS original The business's Enterprise Payment System data feeds include one for returns, Details - Network Returns.eVS to USPS Ship Migration Tech Sheetpage 5“Includes the detailed transaction information for each Network Returns transaction.”USPS original USPS Ship does not charge for return labels until they have been scanned.USPS Ship Frequently Asked Questionspage 5“USPS Ship does not charge for return labels until they have been scanned.”USPS original
Parcel Return Service prices depend on the postal facility where the shipper picks the parcels up.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 21“PRS prices are based on the postal facilities where mail is picked up.”USPS original The shipper sends a manifest within 72 hours of pickup, and USPS deducts the postage it calculates from that file.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 27“PRS shippers must transmit an electronic manifest file to eVS within 72 hours from the time of pickup at the RPF or RDU.”USPS originalPublication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 21“Electronic files from PRS customers are used to calculate postage which is electronically deducted from the shipper’s PostalOne! postage payment account.”USPS original Parcel Return Service has no annual permit or account maintenance fees.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 23“PRS has no annual Permit and Account Maintenance fees.”USPS original
Bulk Parcel Return Service charges a per piece fee for each parcel returned, not postage, whatever the parcel weighs.DMM 505: Return Services (July 2026)“Each piece returned through BPRS is charged only the per piece fee, not postage, regardless of weight.”USPS original The fee is $4.80 as of July 12, 2026.PRC: Mail Classification Schedule through July 12, 2026 (docx, converted to HTML with mammoth)“Per-piece charge | 4.80 … Revisions Through July 12, 2026”USPS original The permit has no annual fee.DMM 505: Return Services (July 2026)“A BPRS permit is required to participate in BPRS; no annual fee is required to obtain a BPRS permit.”USPS original USPS deducts the per piece charges from the mailer's advance deposit account.PostalPro: Bulk Parcel Return Service“Payment for the returned pieces is deducted from an advance deposit account.”USPS original
Enterprise Payment System
Also called EPS, Electronic Payment System, EPS system, Enterprise System
“allows customers to pay for Postal products and services through a single account, called the Enterprise Payment Account (EPA).”Enterprise Payment System (EPS) Account Creation Fact Sheet - August 2024PDF page 1“allows customers to pay for Postal products and services through a single account, called the Enterprise Payment Account (EPA).”USPS original
commercial price
“(1) A general term that distinguishes postage prices such as presorted or automation prices available to mailers who meet various preparation requirements and minimum volumes versus retail prices (i.e., single-piece prices) available to the public and not requiring special preparation or minimum volumes. (2) Commercial Base and Commercial Plus prices.”Publication 32: Glossary of Postal TermsPDF page 48“(1) A general term that distinguishes postage prices such as presorted or automation prices available to mailers who meet various preparation requirements and minimum volumes versus retail prices (i.e., single-piece prices) available to the public and not requiring special preparation or minimum volumes. (2) Commercial Base and Commercial Plus prices.”USPS original
advance deposit account
Also called trust fund account, customer trust fund account, advanced deposit account
“A liability account into which a mailer deposits funds that are maintained by USPS to pay for future services used by the mailer such as permit imprint mailings, Business Reply Mail pieces, postage due mail, or Periodicals. Also called trust fund account.”Publication 32: Glossary of Postal Termspage 11“A liability account into which a mailer deposits funds that are maintained by USPS to pay for future services used by the mailer such as permit imprint mailings, Business Reply Mail pieces, postage due mail, or Periodicals. Also called trust fund account.”USPS original
permit
Also called mailing permit, bulk mail permit, bulk mailing permit
“Any authorization required for specific types of preparation or postage payment. Specifically, an authorization to mail by using indicia or an imprint in place of stamps or meter impressions. Payment is made against an advance deposit account that is established with USPS for postage and services. Other types of mail, such as Business Reply Mail, service require the use of imprints.”Publication 32: Glossary of Postal Termspage 161“Any authorization required for specific types of preparation or postage payment. Specifically, an authorization to mail by using indicia or an imprint in place of stamps or meter impressions. Payment is made against an advance deposit account that is established with USPS for postage and services. Other types of mail, such as Business Reply Mail, service require the use of imprints.”USPS original
What goes wrong
USPS Returns detects duplicate labels in the mail and charges each duplicate at the business's average or default postage.USPS Returns User Guidepage 12“USPS has built duplicate label detection into USPS Returns. … Whenever a duplicate label is detected in the mail stream the associated EPS account will be charged based on the USPS Returns customer’s Average or Default Postage.”USPS original
Since July 2024, USPS has assessed barcode quality fees on noncompliant Priority Mail Return, USPS Ground Advantage Return and Parcel Return Service packages.IMpb (Intelligent Mail® Package Barcode & IMmb (Intelligent Mail® Matrix Barcode) Verification Fact SheetPDF page 1“In July 2024, the USPS began assessing Impb/IMmb BQ non-compliance fees on Priority Mail Return, USPS Ground Advantage Return, PRS, PME and PM. … Mailers are assessed IMpb/IMmb non-compliance fees for competitive products when non-compliant pieces exceed the threshold for one of these three requirement categories: Barcode Quality, Manifest Quality, and Address Quality.”USPS original The noncompliance fee is $0.25 a piece, charged when noncompliant pieces pass a threshold.IMpb (Intelligent Mail® Package Barcode & IMmb (Intelligent Mail® Matrix Barcode) Verification Fact SheetPDF page 1“The IMpb/IMmb non-compliance fee is $0.25 per piece. … Mailers are assessed IMpb/IMmb non-compliance fees for competitive products when non-compliant pieces exceed the threshold for one of these three requirement categories: Barcode Quality, Manifest Quality, and Address Quality.”USPS original
A Parcel Return Service shipper pays postage on every parcel with its label, even when the customer also put postage on it.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 87“PRS postage must be paid for parcels with a PRS label affixed even if partial postage or full postage is also affixed.”USPS original For items with at least full postage affixed, the shipper may ask the local postmaster for an adjustment.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 87“The Shipper may request a postage adjustment for items with PRS labels that have at least full postage affixed when the items are presented to the local postmaster or designee with the following:”USPS original
Labels already handed out keep costing the shipper: it pays for parcels that arrive with its labels after its Parcel Return Service authorization is cancelled.Publication 205 Electronic Verification System (eVS®) Business and Technical Guidepage 91“The shipper is responsible for payment of any packages that continue to come in with approved PRS labels after the authorization has been cancelled.”USPS original
A merchant that stores many unused labels in Label Broker may have its use of Label Broker suspended.Domestic Merchant Returns API: User Guidepage 60“Merchants that generate many unused labels may have their ability to use Label Broker suspended.”USPS original USPS watches each merchant's ratio of stored labels to printed ones.Domestic Merchant Returns API: User Guidepage 60“It is against the Terms and Conditions to store any labels in the Label Broker application without a consumer request and USPS® monitors the label store-to-print ratio to ensure compliance.”USPS original
A shipper disputing a USPS Ship charge for a return has 60 days from the payment date, not from the manifest date.USPS Ship Frequently Asked Questionspage 5“Yes, USPS Ship starts the 60-day count from the payment date rather than the manifest date.”USPS original
Index: 12 entries
Mail classes (2)
Extra service (1)
Identifier (1)
Facility (1)
Sources
- Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Payment SystemsUSPS original
- Publication 32: Glossary of Postal TermsUSPS original
- USPS Returns User GuideUSPS original
- USPS Returns Fact SheetUSPS original
- PostalPro: Bulk Parcel Return ServiceUSPS original
- Parcel Labeling GuideUSPS original
- Postal Bulletin 22355: 2013 name changes for product and extra services (Jan 2013)USPS original
- Publication 205 Electronic Verification System (eVS®) Business and Technical GuideUSPS original
- API Tech SheetUSPS original
- USPS Report on Form 10-K, fiscal year 2025USPS original
- PostalPro: Merchant Returns APIUSPS original
- Domestic Merchant Returns API: User GuideUSPS original
- DMM 505: Return Services (July 2026)USPS original
- Notice 123: Price List (effective October 4, 2026)USPS original
- PRC: Mail Classification Schedule through July 12, 2026 (docx, converted to HTML with mammoth)USPS original
- Postal Bulletin 22430: DMM revision, competitive products pricing and mailing standards changes for January 17, 2016 (Dec 2015)USPS original
- eVS to USPS Ship Migration Tech SheetUSPS original
- USPS Ship Frequently Asked QuestionsUSPS original
- USPS Business Portal (COP) Onboarding User GuideUSPS original
- USPS: Label Broker (for business)USPS original
- IMpb/IMmb Electronic File Transmission RequirementsUSPS original
- Enterprise Payment System (EPS) Account Creation Fact Sheet - August 2024USPS original
- IMpb (Intelligent Mail® Package Barcode & IMmb (Intelligent Mail® Matrix Barcode) Verification Fact SheetUSPS original