4-4 Retaining Manifest Documents

4-4.1 The mailer must retain the following documents (in hardcopy or electronic media) for 90 days:

1. Manifest listings.
2. Summary, if required.
3. Postage statement(s).

4-4.2 Retain your copies of PS Forms 3877 or facsimiles (in hardcopy or electronic media) for 1 year to support extra services claims.