Electronic Address Sequencing Service (EAS) is available to mailers who wish to have their address lists electronically processed under one of three options:

1. DMM 507.8.3.9 – Sequenced and non-existent addresses removed,
2. DMM 507.8.4 – Sequenced, non-existent addresses removed, and missing address locations identified, or
3. DMM 507.8.5 – Sequenced, non-existent addresses removed, and missing addresses added, if qualified.

Fees are associated with processing all levels. DMM 507.8 is required for Computerized Delivery Sequence (CDS) product qualification.

To obtain additional information about EAS contact the National Customer Support Center at 800-238-3150 or visit the RIBBS™ website at ribbs.usps.gov. On RIBBS you can view the EAS User Guide and other related documents.