CASS CASS Deliverability & Return Mail Management

Question 1

What does a high undeliverable-as-addressed (UAA) rate primarily indicate about a mailing list?

Accepted Answer

The list contains outdated or inaccurate address data

Answer

The postage rates are too low

Answer

The mail pieces are too heavy

Answer

The ZIP codes were recently reassigned

Question 2

Which USPS endorsement instructs the postal service to return undeliverable mail and provide the new address if available?

Accepted Answer

ADDRESS SERVICE REQUESTED

Answer

RETURN SERVICE REQUESTED

Answer

FORWARDING SERVICE REQUESTED

Answer

CHANGE SERVICE REQUESTED

Question 3

Under USPS Move Update standards, how frequently must mailers update addresses for Standard Mail to avoid surcharges?

Accepted Answer

Every 95 days

Answer

Every 6 months

Answer

Annually

Answer

Every 30 days

Question 4

What is the primary purpose of ancillary service endorsements on mail pieces?

Accepted Answer

To instruct USPS on how to handle undeliverable mail

Answer

To qualify for automation discounts

Answer

To indicate presort level

Answer

To specify delivery priority

Question 5

Which tool does USPS provide to help mailers identify and correct addresses that are likely to become undeliverable?

Accepted Answer

Address Element Correction (AEC)

Answer

DPV (Delivery Point Validation)

Answer

LACS Link

Answer

Coding Accuracy Support System (CASS)

Question 6

What happens to First-Class Mail that is undeliverable and has no forwarding order on file with USPS?

Accepted Answer

It is returned to the sender at no charge

Answer

It is held at the local post office indefinitely

Answer

It is discarded by USPS

Answer

It is redirected to a national UAA center