RMS Postal Workout Program - RR Donnelley

USPS Requirements – LACS
• Locatable Address Conversion System - LACS
• Runs at the same time as CASS
• What does LACS do to the mail file -
1. Corrects addresses changed by local communities due to 9-1-1
renumbering and other changes
2. Includes street name changes, PO Box changes
3. USPS only delivers mail with the old addresses for 1 year
RR 1
Countryside Rd
18375 18383 18395
18