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F.A.Q-Postal Services-CASS-DPV
CASS-DPV F.A.Q
 

Why is Address Quality Important?

Address quality has a positive effect on the adeptness of your mail to reach valued customers. Cost-efficiency and timely delivery of every piece of mail depend on an accurate address containing complete and correct address elements.  Every accurate address allows the United States Postal Service to provide more efficient mail processing and helps the mailer avoid wasted expense due to undeliverable mail. CASS Certified™ address matching software is the first step in resolving address problems and keeping mail costs in line. Back To The Top





How does CASS certification help Address Quality?

The USPS, in cooperation with the mailing industry, developed the CASS™ certification process to test the accuracy of address matching software.  By testing and certifying each commercial address matching software product, the USPS can better assure that when used by mailers it will meet the address matching quality expectations necessary to be eligible for certain postage discounts.  The CASS certification process is maintained by the USPS and defines the minimum, acceptable rules and guidelines to improve address matching software accuracy. CASS certification testing includes many different addressing attributes but cannot test for every possible addressing situation.  Since each software employs different logic, results may vary.  The USPS continues to raise the bar of quality performance by increasing the score required to achieve CASS certification.  Effective August 2005, the required passing score for software vendor CASS certification is 98.5%.

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What level of discounts can I receive by using CASS Certified software?

Postage discounts vary depending on mailing requirements for preparation and timetable of list processing.  The use of CASS Certified software is the first step in effectively managing your overall mailing costs and obtaining eligibility for postage discounts.

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How do I know which address matching software is CASS Certified?

The Postal Service provides a current list of CASS Certified products and vendors online here

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What is DPV?

Delivery Point Validation is provided, at no extra charge, together with CASSTM processing service.  It checks the integrity of your mailing addresses by determining if addresses are valid delivery points down to the unit number. Matching is against the U.S. Postal Service master database of all delivery points in the United States.  DPV tells you which of your addresses are valid and which are not.

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