How to understand the relationship between MailStream Plus and the USPS form 3553, the "CASS report"

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The 3553 form is produced by address CASS-certification software, to document what number and percentage of addresses in a list were processed and standardized or corrected, etc. based on USPS address data and address-coding regulations.
MailStream Plus (MSP) is a presorting application which performs a presort of a mail list per USPS regulations.  But MSP does not do any type of address certification, and cannot produce a CASS 3553 form.
UPDATED:  August 14, 2017