CASS CASS Output Records & Certification Reporting

Question 1

What document must a CASS-certified software vendor produce to demonstrate software accuracy to USPS?

Accepted Answer

Form 3553 (CASS Summary Report)

Answer

PS Form 3553 is the CASS Summary Report that certified software must generate to document address matching statistics submitted with each mailing.

Question 2

What information is captured in the CASS Summary Report (Form 3553)?

Accepted Answer

Total records processed, ZIP+4 match rates, and DPV results

Answer

Form 3553 captures key address matching statistics including total records, match rates, and DPV results to document CASS processing quality.

Question 3

How long is a CASS certification cycle valid before software must be re-tested by USPS?

Accepted Answer

1 year

Answer

CASS software certification is valid for one year, after which vendors must resubmit to USPS for re-certification testing.

Question 4

Which output field from CASS processing indicates the level of address match achieved for a given record?

Accepted Answer

Address Match Code (AMC)

Answer

The Address Match Code (AMC) indicates whether a full, partial, or no match was achieved during CASS address standardization.

Question 5

What minimum ZIP+4 coding accuracy percentage must CASS-certified software achieve on USPS test files?

Accepted Answer

98%

Answer

CASS certification requires software to achieve a minimum 98% ZIP+4 coding accuracy on USPS standardized test address files.

(CASS) Coding Accuracy Support System Certification Practice Test