CASS Presort & Mail Preparation 3 — Questions and Answers
Question 1: What is an 'AADC' tray in USPS mail preparation?
- A tray for mail going to a single city
- A tray for mail destined to all ZIP Codes served by a single automated area distribution center (Correct answer)
- A tray for international mail routed through a domestic hub
- A tray for priority mail only
Correct answer: A tray for mail destined to all ZIP Codes served by a single automated area distribution center
An AADC (Automated Area Distribution Center) tray contains mail for all ZIP Codes served by one AADC facility.
Question 2: For First-Class Mail presort, what is the required minimum number of pieces per mailing?
- 50 pieces (Correct answer)
- 200 pieces
- 500 pieces
- 150 pieces
Correct answer: 50 pieces
First-Class Mail presort requires a minimum of 500 pieces total per mailing to qualify for presort rates.
Question 3: What is the purpose of a 'facing slip' in presorted mail bundles?
- To indicate the mailer's permit number on each piece
- To identify the sort level and destination of a package of mail within a tray (Correct answer)
- To cover the barcode on automation pieces
- To authorize postage payment at the window
Correct answer: To identify the sort level and destination of a package of mail within a tray
A facing slip identifies the sort destination and presort level for a package of mail inside a tray or sack.
Question 4: Which container type is used for automation letters when a full tray cannot be assembled?
- Flat tray (EMM tray) (Correct answer)
- Half-pallet
- Overflow sack
- Residual tray with mixed content label
Correct answer: Flat tray (EMM tray)
An EMM (Extended Managed Mail) flat tray accommodates automation letters that don't fill a standard letter tray.
Question 5: In CASS certification, what does 'DPV' stand for and why is it relevant to presort?
- Delivery Point Validation — confirms an address is a real, deliverable USPS address (Correct answer)
- Data Processing Verification — confirms ZIP+4 files are current
- Duplicate Postal Verification — removes duplicate addresses from a mailing list
- Delivery Point Volume — measures pieces per route
Correct answer: Delivery Point Validation — confirms an address is a real, deliverable USPS address
DPV (Delivery Point Validation) confirms an address is deliverable, which is essential before assigning accurate barcodes for presort.
Question 6: What is the Intelligent Mail barcode (IMb) used for in presorted mailings?
- Encrypting mailer account data for billing purposes
- Encoding routing information, mailer ID, and piece tracking in a single barcode (Correct answer)
- Replacing the return address on automation letters
- Signaling carrier route delivery instructions to postal workers
Correct answer: Encoding routing information, mailer ID, and piece tracking in a single barcode
The IMb encodes the routing ZIP Code, delivery point, mailer ID, and serial number to enable both sorting and piece-level tracking.
Question 7: How often must mailers update their address data to maintain CASS certification and qualify for presort rates?
- Every 6 months
- Within 180 days before the mailing date using current USPS data (Correct answer)
- Once per year at contract renewal
- Every 90 days regardless of mailing schedule
Correct answer: Within 180 days before the mailing date using current USPS data
Address lists must be processed against USPS-certified software using data no older than 180 days before the mailing date.
CASS Presort & Mail Preparation 3
What is an 'AADC' tray in USPS mail preparation?