We are required by the USPS to store a participant code on every record in our database that would be pulled on a mailing list. This is because we will be participating in the electronic address change service. The code will consist of seven alpha characters and will be the same for every record. The...

We conduct NCOA updates on a roughly quarterly basis. As a result of the new postal regulations, our mail house needs some form of documentation to prove that we have updated our addresses. I cannot find anything appropriate to provide them. Does anyone have any ideas on this? Thanks.