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Paying for postage: permits, meters, PC Postage and EPS

Businesses pay USPS for postage with stamps, a postage meter or PC Postage, or a permit imprint, and the mark on each mailpiece shows which method paid. Permit imprint postage comes out of an advance deposit account held with USPS, which a business can fund through the Enterprise Payment System.

Updated November 6, 202677 sources

Questions

What does "Presorted First-Class Mail, US Postage Paid" mean on an envelope?

The words U. S. POSTAGE PAID beside a mail class and a permit number form a permit imprint: the sender paid postage from a USPS account instead of stamps. PRESORTED, also printed PRSRT, is a marking that shows the mail is eligible for a presorted price. Presorted First-Class Mail is a price category for First-Class Mail mailings of at least 500 addressed pieces, sorted and prepared to USPS standards.

How do I get a USPS bulk mail permit?

A business opens a permit online in the Business Customer Gateway, or brings the permit application, PS Form 3615, to a Business Mail Entry Unit. That unit is the USPS office that receives, verifies and accepts bulk mail. The business picks the Post Office where it will present its mail, and shows two forms of ID there before its first mailing.

How do I pay USPS postage due?

The addressee pays the postage due marked on the piece, and USPS then delivers it. Postage due is the additional postage a piece owes after it enters the mailstream short of postage, often because it was forwarded. For a mailing of 10 or more such pieces, USPS notifies the mailer instead, so the postage can be adjusted before dispatch.

How do I get an indicia for USPS mail?

A permit imprint indicia comes with a mailing permit: the mailer files PS Form 3615 and any fee that applies at the Post Office where it mails. Each piece must then bear the indicia: the mail class, U. S. POSTAGE PAID and the permit's city, state and number. Postage meters and PC Postage print their own indicia, and a meter permit for business mailings has no application fee. To use one, a mailer rents or leases a meter from an authorized provider, or registers with one for PC Postage, and agrees with USPS to the rules for its use. A meter or PC Postage system can't be bought: it is rented or leased.

What happens to mail with no postage?

USPS endorses a piece that arrives without postage Returned for Postage and returns it to the sender without trying to deliver it. A piece with no return address, or one addressed to its own sender, becomes dead mail, which USPS can neither deliver nor return. Mail with some postage but not enough is shortpaid instead: USPS returns it to the mailer or collects the postage due from the addressee.

Is there a fee for a USPS bulk mail permit?

Yes: as of July 12, 2026, a permit imprint application costs $390.00 once, and First-Class Mail presort and USPS Marketing Mail mailing fees cost $390.00 a year each.

Must
An application fee is required only when a permit imprint is used as the payment method for First-Class Mail, USPS Marketing Mail (including Heavy Printed Matter), Bound Printed Matter Flats and international mail, and the mailer does not use USPS Ship.

A mailer must pay the permit imprint application fee only when the permit imprint pays for one of these mail classes and the mailer does not use USPS Ship.

Takes effect November 2, 2026

Meter and precanceled stamp permits have no application fee. The annual fee can be waived for a permit whose mail is at least 75% Full-Service eligible, with at least 90% of that mailed as Full-Service.

What is the USPS Enterprise Payment System?

The Enterprise Payment System, or EPS, lets business customers pay for USPS products and services through one account, the Enterprise Payment Account. Customers fund it by ACH Debit from their bank or by prefunding a Trust Account. EPS is open to all customers.

Can a small business get a postage meter?

Yes: a business leases a postage meter from a USPS-authorized provider, or prints PC Postage with a computer, a printer and Internet access. Customers of Postage Evidencing Systems, USPS's name for meters and PC Postage, range from small home businesses to large eCommerce shippers. A meter used for business mailings needs a meter permit, which has no application fee.

How it fits together

The mark on a mailpiece shows how its postage was paid, and not every payment method is allowed for every mail class. Stamps, including precanceled stamps, are affixed to each piece, and business mailers can buy them from Stamp Fulfillment Services, a USPS unit in Kansas City. Postage meters and PC Postage are Postage Evidencing Systems, which print indicia, the marks that show postage was prepaid, on each piece or label. A permit imprint is printed on the piece, and the postage comes out of an account when the business presents the mailing.

Business mail at commercial prices needs a mailing permit, an authorization to use one payment method for business mailings. Each permit is established under one Post Office's finance number, a six-digit number that identifies a Post Office or facility. Mail Anywhere lets a mailer use one permit at any location. USPS Picture Permit Indicia adds a color logo to the permit imprint on automation letters and postcards, for a fee per piece.

Every business mailing comes with a postage statement, which reports the mail presented and the prices claimed. Permit imprint postage is paid from an advance deposit account, funds the mailer keeps with USPS. The Enterprise Payment System puts a business's permits on one account, in place of separate permit accounts at each Post Office. A Priority Mail Express shipper can pay from a USPS Corporate Account without affixing postage, and funds it through the National Customer Management System.

When a piece enters the mail short of postage, the difference is postage due, which USPS collects from the addressee or the mailer.

Stamps, meters and PC Postage

A postage stamp is a paper stamp affixed to mail as payment for postal services. A precanceled stamp is canceled before USPS sells it to mailers for bulk mailings, so the pieces skip the canceling machine. Each piece carries a lower amount, and the mailer pays the difference when it presents the mailing, by check, meter strip or advance deposit account.

Precanceled postage can pay for mailings at presorted and automation First-Class Mail prices and at all USPS Marketing Mail prices. USPS Marketing Mail was called Standard Mail until January 22, 2017.

Business mailers can buy stamps, including precanceled stamps, directly from USPS Stamp Fulfillment Services. Precanceled stamps can't be paid for by credit card. Mailers order through a StampsNow account with Stamp Fulfillment Services, and StampsNow purchases can be paid from an Enterprise Payment Account. A mailer that buys precanceled stamps at a Post Office with cash advances keeps doing so there, outside EPS.

Postage meters and PC Postage are Postage Evidencing Systems: they print indicia, the markings on mail that show postage was paid. Mailers print the indicia on the piece or on a label, in its upper-right corner. Metered postage can pay for any mail class except Periodicals and Bound Printed Matter. Business mailings need a meter permit and special rate markings, which the meter can print.

In December 2020, two USPS standards were in use for these systems: Information-Based Indicia, begun in 1999, and Intelligent Mail Indicia, introduced in 2013. USPS was replacing every system built on the first with one built on the second.

Customers reset a meter at their place of business through the Computerized Meter Resetting System. A PC Postage account can request its funds from an Enterprise Payment Account.

postage stamp

Also called stamp, stamp, postage

“A gummed or self-adhesive paper stamp affixed to mail as payment for postal services. Types of stamps include definitive stamp (regular-issue stamp), special-issue stamp, and commemorative stamp.”

metered mail

“Any mail class or product (except Periodicals and Bound Printed Matter) with postage printed with a USPS-approved postage meter or PC Postage product/system. This mail is entitled to all privileges and subject to all conditions that apply to the various mail classes and products.”

indicia

Also called indicium

“Imprinted designation and markings on mail that denote postage payment (e.g., permit imprint, metered postage, and PC Postage products). Broadly, the term can include postage stamps. In many instances, the amount of postage paid is not displayed on the mailpiece. Although the term is technically the plural of indicium, indicia may be used like the term data to indicate singular or plural.”

Postage Evidencing System

Also called PES

“Postage meters and PC Postage products, collectivity identified as the Postage Evidencing Systems (PES) are secure postage metering systems that generate indicia imprinted on or affixed to a shipping/mailing piece to evidence prepayment of postage.”

postage meter

Also called meter

“A device approved by the Postal Service for manufacturer and distribution and lease to the public that can print postage in the form of an authorized postage indicia. Postage meters are available for lease only from authorized providers.”

PC Postage

“A hardware/software-based postage evidencing system offered by USPS-authorized providers (commercial vendors) for purchasing and printing Information-Based Indicia (IBI) postage from a personal computer, a printer, and Internet access. PC Postage product/service offerings are also available online through USPS.”

Information-Based Indicia

Also called IBI, IBIP, Information Based Indicia Program

“a secure postage evidencing standard used by the United States Postal Service (USPS) to indicate electronic postage payment.”

Intelligent Mail Indicia

Also called IMI, Intelligent Mail Indicia - Performance Criteria, IMI-PC

“The Intelligent Mail Indicia (IMI) is the current USPS Postage Evidencing System (PES) Performance Criteria (PC)”

Permits and permit imprints

A mailing permit lets a business pay for its business mailings by one payment method. Business mail goes to a Business Mail Entry Unit, the USPS office that receives, verifies and accepts bulk mail, with a postage statement. To get business prices, a First-Class Mail mailing needs at least 500 pieces, and a USPS Marketing Mail mailing 200 pieces or 50 pounds.

The three outgoing permit types are permit imprint, metered and precanceled, and creating any one of them online creates all three. A business that opens a permit without linking it to an Enterprise Payment Account must pay the permit fees at its Business Mail Entry Unit.

A mail service provider is a business that mails for mail owners, the businesses that decide what a mailpiece says and pay its postage. A provider can still take a completed PS Form 3615 and a check to its Business Mail Entry Unit to open a mail owner's permit. To pay through EPS, that permit needs the mail owner's own Enterprise Payment Account. The provider can instead open the permit under its own account and its own Customer Registration ID, the number that identifies a business location.

A permit's finance number, the six-digit number of the Post Office it is established under, appears on a finalized postage statement. Its first two digits are a state or project code. USPS gives each combination of permit number, permit type and finance number its own account number of 6 or 7 digits. Once a permit is linked to an Enterprise Payment Account, that account's 10-digit number replaces this account number. The Business Customer Gateway shows the 10-digit number, and eDoc, the electronic postage statement, should carry it.

A business finds its permits' accounts and finance numbers in the Business Customer Gateway, under Manage Permits in Mailing Services. A registered mail service provider looks up a permit's owner with Permit Lookup, in the Business Customer Gateway's Customer Validation Tool. It returns the name and address of the business location that owns the permit.

A permit imprint is a postage payment mark that authorized mailers use instead of a postage stamp or meter stamp. It shows the mail class, U. S. POSTAGE PAID and the permit's city, state and number. A company permit imprint may show the company name in place of the city, state and permit number.

Seamless Acceptance is a USPS program that automates the entry and verification of commercial mailings. USPS Ship is the USPS platform for commercial package payment and verification. Pieces from their mailers are the two exceptions to the weight rule for permit imprint mailings.

Must
All pieces in a permit-imprint mailing must be of identical weight, except for pieces from mailers participating in the Seamless Acceptance Program for letters and flats and USPS SHIP for parcels.

Every piece in a permit imprint mailing must weigh the same. Letters and flats from Seamless Acceptance mailers, and parcels from USPS Ship mailers, are the exceptions.

Takes effect November 2, 2026

Before this rule took effect, USPS Product Acceptance could authorize other exceptions.

With Mail Anywhere, a mailer can shift mail from one site to another without opening a permit at the new site or changing the imprint.

Must
Regardless of the postage payment method, both First-Class Mail and USPS Marketing Mail mailing permits require an annual mailing fee to be paid.

A First-Class Mail or USPS Marketing Mail permit must have its annual mailing fee paid, whichever payment method it uses.

The annual fee covers the permit for 12 months and is due by the first mailing. First-Class Mail and USPS Marketing Mail pay separate annual fees. Mailers with an Enterprise Payment Account can pay the permit imprint application fee and annual fees online in the Business Customer Gateway.

finance number

“An assigned six-digit number that identifies an installation or project for processing its financial data. The first two digits are a state or project code; the next four are uniquely assigned from 0001 through 9999 to each installation in alphabetic order. The finance number is used to measure and allocate cost and revenue to various cost centers.”

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.”

Permit Imprint

Also called PI, Permit Indicia, permit imprint indicia

“a postage payment mark that authorized mailers may use instead of a postage or meter stamp”

Business Mail Entry Unit

Also called BMEU, BME, PAU, Business Mail Entry, platform acceptance unit

“The area of a postal facility where mailers present bulk, presorted, and permit mail for acceptance.”

Postage accounts: EPS and CAPS

An advance deposit account holds a mailer's funds with USPS to pay for permit imprint mailings, Business Reply Mail and postage due mail. A permit's deposits are made at its own Post Office, unless its postage is paid from an Enterprise Payment Account.

The Enterprise Payment System, or EPS, pays for a business's USPS products and services from one Enterprise Payment Account. A permit pays through EPS once it is linked to the account, and EPS keeps the balance for the account, not for each permit. EPS also pays for PO Boxes, address quality products and PC Postage.

Six kinds of permit can pay through EPS:

  • permit imprint
  • metered
  • precanceled stamps
  • Periodicals, including the pending Periodicals permit that lets an applicant mail while it awaits a decision
  • Postage Due
  • Business Reply Mail

The account is funded by ACH Debit or by a Trust Account. With ACH Debit, EPS adds up each day's transactions and withdraws the total from the customer's bank. A Trust Account is an advance deposit account inside EPS: the customer deposits funds, and each transaction comes out of the balance. ACH Debit is the method customers use most. USPS pays no interest on Trust balances.

EPS reports show only EPS transactions. Deposits into a Trust Account appear in the Transaction History Report, the high-level view of all product and service transactions. At 100% scale, part of an EPS report falls outside the print window, so the scale must be reduced to fit it on one page. In the print window, the user picks Custom Scale and lowers the percentage until the whole report shows on one page.

The Centralized Account Processing System, or CAPS, is a postage payment system that funds permit imprint, Business Reply Mail and postage due accounts. It is an electronic alternative to paying with checks and cash at many Post Offices. It offers an account funded before mailing, or a debit account at the customer's bank. In October 2020, USPS planned to retire CAPS in the summer of 2021.

A business funds a USPS Corporate Account through the National Customer Management System, and pays for Priority Mail Express shipments from it without affixing postage. That system lets Stamp Fulfillment Services work with other USPS organizations on national programs. In it, a customer pays by credit card or by ACH debit or credit. Customers who funded the account through CAPS had to move it to that system.

Centralized Postage Payment lets publishers of Periodicals entered at three or more Post Offices pay postage at one USPS office instead of at each entry Post Office. Through EPS, such a publisher is charged when a payment is scheduled, or else 28 days after the mailing date.

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.”

Centralized Postage Payment

Also called CPP, Centralized Periodicals Payment (CPP) program, Centralized Periodicals Payment

“A postage payment system that allows publishers of authorized Periodicals publications entered at three or more Post Offices to pay postage at the Pricing and Classification Service Center rather than through individual accounts maintained at each entry Post Office if they meet certain requirements concerning multiple plants and/or multiple publications at multiple sites.”

Enterprise Payment reports

Also called EPS reports

“Enterprise Payment reports will display only Enterprise Payment transactions, while PostalOne! reports will display both PostalOne! and Enterprise Payment transactions.”

Transaction History Report

Also called EPS Transaction History Report

“Provides an overview of all EPS Transactions, including transactions originating from USPS Ship. The report shows basic details for purchases, refunds, and adjustments as well as ACH Debit and Credit Card aggregates and withdrawals. USPS Ship purchases are rolled up into one record by Date, Mail Class, EPA, and Unique Shipper Business Location.”

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 Account

Also called EPA, Electronic Payment Account

“The Enterprise Payment System (EPS) allows customers to pay for Postal products and services through a single account, called the Enterprise Payment Account (EPA).”

Trust Account

Also called Trust

“Funds are deposited with USPS and transactions are deducted from the available balance.”

ACH Debit

“Daily transactions are aggregated and withdrawn at 6 pm EST directly from the customer’s linked bank account.”

USPS Corporate Account

Also called EMCA, Corporate Account, Express Mail Corporate Account

“A funded or credit card–backed account with a corresponding account number that permits a mailer to pay postage for Priority Mail Express shipments without affixing postage. The mailer receives a monthly itemized statement showing pieces mailed for the month and financial transactions.”

Postage due and shortpaid mail

Postage due is the additional postage a piece owes after it enters the mailstream without enough postage. Mail that owes it is shortpaid mail, also called postage due mail. Mail that arrives with no postage at all is omitted postage.

USPS marks a shortpaid piece with the postage and fees it lacks. Fewer than 10 such pieces are delivered once the addressee pays the charges marked on them. For a mailing of 10 or more, USPS notifies the mailer so the postage can be adjusted before dispatch. A piece caught at the mailing office goes back to the mailer for more postage. Revenue assurance is the USPS policy of finding uncanceled stamps and misclassified mail, and collecting postage and fees for unpaid or shortpaid mail.

A business can pay for postage due mail from an advance deposit account, and Postage Due accounts can move into EPS. A meter or precanceled stamp mailing that owes additional postage can pay it with a combination of permits or payment types. USPS encourages linking every permit to an Enterprise Payment Account so that all postage statements finalize properly.

Refunds go directly to the Enterprise Payment Account, and a reversal is processed to the original EPS payment method. Value added refunds, the postage USPS returns to a mailer who sorts customers' metered mail to a finer level, are deposited there too.

Postage Due

Also called PD

“Insufficient postage. Additional postage owed USPS after the mailpiece is entered into the mailstream.”

shortpaid mail

Also called postage due mail

“Mail with insufficient postage that is either returned to the mailer for additional postage if identified at the mailing office or delivered to the addressee after the collection of the additional postage due.”

revenue assurance

“An ongoing policy to prevent the loss of revenue by identifying uncanceled postage stamps, and misclassified mail and collecting postage and fees for unpaid or shortpaid mail”

insufficient postage

“Mail of any class, including mail indicating Special Services (except Priority Mail Express service, Registered Mail service, and nonmachinable First-Class Mail service), that is received at either the office of mailing or office of address without enough postage. Such mail is marked to show the total (rounded off) deficiency of postage and fees. Individual such pieces (or quantities fewer than 10) are delivered to the addressee on payment of the charges marked on the mail. For mailings of 10 or more pieces, the mailer is notified so that the postage charges may be adjusted before dispatch.”

omitted postage

“Matter of any class, including that for which Special Services are indicated, received at either the office of mailing or office of address without postage.”

What goes wrong

A mailing that an Enterprise Payment System Trust Account cannot cover is held until funds are added. USPS encourages an ACH Debit backup, which then pays the whole transaction from the bank. A Trust Account can go negative if an acceptance employee at the Business Mail Entry Unit performs an override.

Business mailings cannot be entered at commercial prices until the permit's annual mailing fee is paid. A permit is canceled when a 2-year period passes with no mailings and no annual fee payments. Permits linked to an Enterprise Payment Account can be enrolled in Auto-Fee Renewal, which pays their fees automatically. If EPS declines one of those payments, every enrolled permit is unenrolled.

A permit with a negative balance cannot be linked to an Enterprise Payment Account, and an inactive permit does not migrate to one. USPS can suspend an Enterprise Payment Account while it researches unauthorized activity.

A Mail Anywhere mailing must identify the account number of the paying permit. If the number does not match the paying permit, the mailing triggers an error and USPS does not process it.

A meter's postal security device, the part that keeps the accounting of postal funds, stops printing postage if someone tampers with it. USPS regulates Postage Evidencing Systems and their use to protect postal revenue.

Mail quality results in the Mailer Scorecard, a monthly view of a mailer's letter and flat mailings, decide when USPS assesses additional postage. USPS assesses nothing while errors stay below its threshold.

eInduction checks the payment and preparation of commercial mail containers with eDoc, container barcodes and handheld scanners. Seamless Acceptance compares a mailer's electronic postage statement with mailpiece data USPS gathers during processing. USPS also assesses nothing while the additional postage due stays under $500 in total across Full-Service, eInduction and Seamless verifications. For Move Update verifications, the limit is $50.

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