Direct Mail

The Coding Accuracy Support System (CASS) improves the accuracy of carrier route, five-digit ZIP, ZIP+4 and delivery point codes that appear on mail pieces. CASS is offered to all mailers, service bureaus and software vendors who want to evaluate their address-matching software and improve the quality of their ZIP+4, CRIS and five-digit coding accuracy.

The Presort Accuracy, Validation and Evaluation (PAVE) program is a process designed in cooperation with the mailing industry to evaluate presort software and determine its accuracy in sorting address files according to Domestic Mail Manual (DMM) standards. PAVE is available only to companies that develop presort software or manufacture presorting equipment for resale or internal use. Participation in the program is purely voluntary.