CASS Intelligent Mail Barcode (IMb) Standards & Application 3

Question 1

What are the valid length options for the Routing Code field within an Intelligent Mail barcode?

Accepted Answer

0, 5, 9, or 11 digits

Answer

0, 5, or 9 digits only

Answer

5 or 9 digits only

Answer

5, 9, or 11 digits only

Question 2

Which USPS electronic service uses Full-Service IMb scan data to automatically provide address correction records to mailers when a piece is undeliverable?

Accepted Answer

Automated Change-of-Address Service (ACS)

Answer

NCOALink

Answer

Delivery Point Validation (DPV)

Answer

LACSLink

Question 3

What does an 11-digit Routing Code in an IMb encode?

Accepted Answer

5-digit ZIP Code plus 4-digit ZIP+4 add-on plus 2-digit delivery point

Answer

5-digit ZIP Code plus a 6-digit delivery sequence number

Answer

9-digit ZIP+4 Code plus a 2-digit presort level indicator

Answer

5-digit ZIP Code plus a 4-digit sector plus a 2-digit segment

Question 4

How does CASS-certified address processing directly support accurate Intelligent Mail barcode generation?

Accepted Answer

CASS processing validates and standardizes addresses to produce the correct ZIP+4 and delivery point data that populates the IMb Routing Code

Answer

CASS certification assigns the Mailer ID field within the IMb

Answer

CASS eliminates the need for a Routing Code by embedding address data directly in the STID

Answer

CASS certification replaces the need for IMb on First-Class mailings

Question 5

What is the eInduction program's relationship to Full-Service Intelligent Mail barcode requirements?

Accepted Answer

eInduction allows mailers to submit container-level and pallet data electronically, complementing Full-Service IMb piece-level requirements

Answer

eInduction is an alternative to Full-Service IMb that waives barcode uniqueness requirements

Answer

eInduction replaces physical postage statements for non-IMb Standard Mail only

Answer

eInduction is a USPS program for international mail barcoding unrelated to domestic IMb

Question 6

A mailer uses a 9-digit Mailer ID. How many digits long must the Serial Number field be in their Intelligent Mail barcodes?

Accepted Answer

6 digits

Answer

4 digits

Answer

9 digits

Answer

12 digits

Question 7

Which statement correctly describes a key advantage of the 4-state bar design used in the Intelligent Mail barcode compared to the 2-state POSTNET barcode?

Accepted Answer

The 4-state design encodes more data per bar position, allowing the IMb to combine routing and tracking information in a single barcode

Answer

The 4-state design requires fewer bars to encode the same data, reducing barcode length

Answer

The 4-state design is easier for optical character recognition (OCR) equipment to read at high speeds

Answer

The 4-state design eliminates the need for a check digit, simplifying barcode generation