CASS USPS Addressing Standards & Compliance 2

Question 1

Which USPS publication defines the official addressing standards that CASS-certified software must enforce?

Accepted Answer

Publication 28

Answer

USPS Publication 28 (Postal Addressing Standards) is the authoritative reference that CASS-certified systems must conform to.

Question 2

When a delivery address contains both a suite number and a floor designator, which takes address-line priority according to USPS standards?

Accepted Answer

Suite number is placed on the primary address line

Answer

The suite (unit) designator is placed on the primary address line with the street address; floor information is secondary.

Question 3

A mailer submits an address with 'NORTH' spelled out in the directional field. How should CASS software standardize this?

Accepted Answer

Abbreviate it to 'N' per USPS standard directional abbreviations

Answer

USPS standards require pre- and post-directionals to use the standard two-character abbreviations (N, S, E, W, NE, NW, SE, SW).

Question 4

What is the maximum character length allowed for an address delivery line in a properly formatted USPS address block?

Accepted Answer

40 characters

Answer

USPS Publication 28 specifies a maximum of 40 characters per address line for OCR-readable mail.

Question 5

Which scenario correctly illustrates the use of a 'Dual Address' in USPS addressing?

Accepted Answer

An address with both a PO Box and a street address on separate lines

Answer

A dual address contains both a PO Box and a street delivery address; USPS delivers to whichever line immediately precedes the city/state/ZIP line.

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