CASS Beta Testers

We are looking for CASS testers among nonprofit organizations. If you are interested, please fill out the form below. We will reply as soon as possible. Thanks.

(Coding Accuracy Support System (CASS) is a certification system from the United States Postal Service (USPS) for address validation. A CASS-certified address validation service will standardize your mailing list, update outdated addresses, and verify that addresses are valid and complete.)

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