PS Form 3602-NZ at a glance
What it is: This form may be used only for a single nonautomation price mailing of identical-weight pieces. Use PS Form 3602-N for all other regular Nonprofit USPS Marketing Mail mailings.
A filled-in PS Form 3602-NZ example: a nonprofit mails 1,000 letters with precanceled stamps

How to fill out PS Form 3602-NZ, box by box
Tap a group of boxes to open it, and a picture to see it full size.
Mailer: who is mailing and what is in the mailing

Step 1: Complete Mailer and Mailing sections on pages 1 and 2 applicable to the mailing presented.
For all sections not applicable, enter N/A.
Enter the Permit Holder Name, Address, Email, Telephone, the Federal Agency Cost Code and the Statement Seq. No.
Enter the Weight of a Single Piece in pounds.
Enter the Total Pieces and check the Processing Category, Flats or Letters.
Enter the USPS Nonprofit Auth. No.
Enter the Total Weight and the Permit #, and check the box Mailpiece is a product sample when it is.
Enter the CRID.
Check the box Letter-size or flat mailpiece contains DVD/CD or other disk when it does.
Mailing: office, date, containers, type of postage and move update

Enter the Post Office of Mailing and the Mailer's Mailing Date.
Under No. & Type of Containers, enter the No. of Sacks, Trays and Pallets.
Under Type of Postage, check Permit Imprint, Precanceled Stamps or Metered.
Under Move Update Method, check Ancillary Service Endorsement, NCOALink, ACS, Alternative Method, Multiple, OneCode ACS, or n/a Alternative Address Format.
Under Political Campaign Mailing, check Yes or No.
Check Yes or No for Election Mail - Official Ballots, and check Yes or No for Election Mail - Non-Ballot Materials.
Postage: total, postage affixed and net postage due

Total Postage: add parts totals.
Enter the Total Postage, rounded off to two decimal places, on the Total Postage line. For postage affixed round off to three decimal places.
Complete the Price at Which Postage Affixed (Check one) line if the mailing includes pieces bearing metered/PC Postage or precanceled stamps. On the line pcs. x $ = Postage Affixed, enter the pcs., the price and the 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).
Multiply the number of pieces times the postage affixed and put the total in the blank line for Postage Affixed.
Enter the Permit # and the Net Postage Due.
Subtract the amount of Postage Affixed from the Total Postage; enter remainder in Net Postage. Step 5: Read and sign the Certification section, including your telephone number.
Certification and signature

The mailer's signature certifies that: (1) the mailing complies with DMM 703; (2) the income derived from the sale of any products or services advertised in the mailing is not subject to the Unrelated Business Income Tax (UBIT) and any products and services advertised are substantially related to the nonprofit organization's authorized purpose within the meaning of 39 U.S.C. 3626(j)(1)(d)(ii)(I) and 26 U.S.C. 513(A); (3) the mailing if made by a voting registration official is required or authorized under the National Voter Registration Act of 1993; and (4) it will agree to pay, subject to appeal, any revenue deficiencies assessed on this mailing.
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 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.
The mailer certifies: 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.
Sign the Signature of Mailer or Agent line, and enter the Printed Name of Mailer or Agent Signing Form and the Telephone.
Part B: nonautomation letters

Step 2: Complete the Postage section for applicable category, Presorted Letters and Flats, as follows: 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.
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).
Part B - Nonautomation Letters: Machinable Letters 3.5 oz. (0.2188 lbs.) or less; Nonmachinable Letters 4 oz. (0.25 lbs.) or less; and Nonmachinable Letters Over 4 oz. (0.25 lbs.) but less than 16 oz. (1 lbs.).
On lines B1 to B8, enter the Price, the No. of Pieces and the Total Postage for each Entry Price Category (None or DSCF).
On lines B9 to B13, enter the Piece Price or Amount Affixed, the No. of Pieces and the Pieces Subtotal, the Pound Price, the Pounds and the Pounds Subtotal, and the Subtotal Postage and the Total Postage, for each Entry Price Category (None or DSCF).
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.
B14 Part B Total: add lines B1 - B13.
More rules for PS Form 3602-NZ
Use this form only for nonautomation letters or flats at regular Nonprofit USPS Marketing Mail prices.
A note for the Post Office at the top of the form: Note Mail Arrival Date & Time (Do Not Round-Stamp).
USPS Use Only. Additional Postage Payment (State reason): for postage affixed, add additional payment to net postage due; for permit imprint, add additional payment to total postage. Postmaster: Report Total Postage in AIC 125 (Permit Imprint Only).
Privacy Notice: For information regarding our Privacy Policy visit www.usps.com.
Common questions about PS Form 3602-NZ
What is a 3602 form?
PS Form 3602-NZ is the United States Postal Service Postage Statement for Nonprofit USPS Marketing Mail, Easy Nonautomation Letters or Flats.
Are there fees?
I CERTIFY that this mailing has been inspected for each item below if required: (1) eligibility for postage prices claimed; (2) proper preparation (and presort where required); (3) proper completion of postage statement; (4) payment of annual fee; and (5) sufficient funds on deposit (if required). The USPS Employee's Signature and Print USPS Employee's Name lines are for the USPS employee who certifies this.
Where to get help with PS Form 3602-NZ
For more information on mailing standards, prices, and fees please go to Postal Explorer at pe.usps.com.
Sources
[1] PS Form 3602-NZ, July 2026, Postage Statement, Nonprofit USPS Marketing Mail Easy Nonautomation Letters or Flats, United States Postal Service (the Official source link on this page).

