What do I need to bring to the Post office?
When you’re ready to bring in your mail to the bulk mail entry unit, make sure you have the following items and paperwork:
- PS Form 3553 CASS report (1 page) showing 100% ZIP+4 Coded. See Chapter 4.
- PS Form 3600 or 3602 (2 pages, with the first page labeled "Postage Statement")
- Cost Report (1 page)
- Traying Report or Sacking Report (1 or more pages)
- Mailpieces placed in trays or sacks, often with additional packaging
- Tray or sack labels affixed to each tray or sack
- Flats will have an additional Flats Presort Report that lists packages (1 or more pages)
Needless to say, the various reports and trays should match each other. The number of pieces in the CASS report should match the number you are mailing. The trays/sacks holding your mailpieces should match the number and types of trays/sacks in the report, etc. The presort order database you print should come from the same presort you used to print the reports.
Updated June 04, 1998
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