PS Form 3602-EZ at a glance
What it is: PS Form 3602-EZ is the United States Postal Service Postage Statement for USPS Marketing Mail Easy Nonautomation Letters or Flats.
Who signs: The mailer or agent signs: Signature of Mailer or Agent. Step 5: Read and sign the Certification section, including your telephone number.
A filled-in PS Form 3602-EZ example: a print shop mails 1,000 letters

How to fill out PS Form 3602-EZ, box by box
Mailer

This form may be used only for a single nonautomation price mailing of identical-weight pieces. Use PS Form 3602-R for all other regular USPS Marketing Mail mailings.
Use this form only for nonautomation letters or flats at regular USPS Marketing Mail prices.
Complete Mailer and Mailing sections on pages 1 and 2 applicable to the mailing presented. For all sections not applicable, enter N/A.
Under Mailer, enter the Permit Holder Name, Address, Email, Telephone.
Enter the CRID, Federal Agency Cost Code, Statement Seq. No., Weight of a Single Piece, Total Pieces, Total Weight and Permit No.
Mailing

Under Mailing, enter the Post Office of Mailing and the Mailer's Mailing Date, the Processing Category, Letters or Flats, and the No. & Type of Containers: Sacks, Trays, Pallets.
Mark the box only if the Letter-size or flat mailpiece contains DVD/CD or other disk.
Mark Yes or No for Political Campaign Mailing, Election Mail - Official Ballots and Election Mail - Non-Ballot Materials.
Move Update Method
Part B - Nonautomation Letters

Step 2: Fill in the number of pieces at each presort and entry discount level on the appropriate line in section B or section E. Multiply the number of pieces by the corresponding postage price.
Part B - Nonautomation Letters: Machinable Letters 3.5 oz. (0.2188 lbs.) or less and Nonmachinable Letters 4 oz. (0.25 lbs.) or less.
Entry Price Category, Price, No. of Pieces, Total Postage: B1 None 3-Digit; B2 None Mixed; B3 DSCF 3-Digit; B4 None 5-Digit; B5 None 3-Digit; B6 None Mixed; B7 DSCF 5-Digit; B8 DSCF 3-Digit.
Nonmachinable Letters Over 4 oz. (0.25 lbs.) but less than 16 oz. (1 lbs.): Entry Price Category B9 None 5-Digit; B10 None 3-Digit; B11 None Mixed; B12 DSCF 5-Digit; B13 DSCF 3-Digit. Piece Price Or Amount Affixed, No. of Pieces, Pieces Subtotal, Pound Price, Pounds, Pounds Subtotal, Subtotal Postage, Total Postage.
For affixed postage mailings as described in DMM 243, compute and enter the price for each piece in the Amount Affixed column, multiply by No. of Pieces and total in the Total column.
For Permit Imprint mailings, round off to four decimal places. On Postage Affixed mailings round off to three decimal places.
Step 3: Add the applicable postage (part B or E). Enter the subtotal for Part B or Part E on the appropriate Part B or E Subtotal line.
B14 Part B Total: Add lines B1 - B13.
Part E - Nonautomation Flats
Total Postage
Price at Which Postage Affixed

Step 4: Complete the line for Postage Affixed (if applicable). Check the box for the Price at Which Postage Affixed (Correct, Lowest, or Neither). Complete if mailing includes pieces bearing metered/PC Postage or precanceled stamps.
Multiply the number of pieces times the postage affixed and put the total in the blank line for Postage Affixed.
Certification

In the Certification section, enter the Signature of Mailer or Agent, Printed Name of Mailer or Agent Signing Form and Telephone.
The mailer's signature certifies acceptance of liability for and agreement to pay any revenue deficiencies assessed on this mailing, subject to appeal. If an agent signs this form, the agent certifies that he or she is authorized to sign on behalf of the mailer and that the mailer is bound by the certification and agrees to pay any deficiencies. In addition, agents may be liable for any deficiencies resulting from matters within their responsibility, knowledge, or control. The mailer hereby certifies that all information furnished on this form is accurate, truthful, and complete; that the mail and the supporting documentation comply with all postal standards and that the mailing qualifies for the prices and fees claimed; and that the mailing does not contain any matter prohibited by law or postal regulation. I understand that anyone who furnishes false or misleading information on this form or who omits information requested on this form may be subject to criminal and/or civil penalties, including fines and imprisonment.
More rules for PS Form 3602-EZ
For more information on mailing standards, prices, and fees please go to Postal Explorer at pe.usps.com.
Sources
[1] PS Form 3602-EZ (July 2026), USPS Marketing Mail Postage Statement, United States Postal Service (the Official source link on this page).





