Understanding Postal: Spare Your Bottom-line

5. The USPS has proposed providing mailers with additional options to combine different classes of parcels in sacks and on pallets to achieve finer levels of sortation as long as they’re in the same processing category. The rules, however, are far from simple.

6. Effective July 2009, mailers will have to match their addresses against coding accuracy support system (CASS)-certified software and use the correct ZIP+4 code on each piece.