System Name:
Address Element Correction Enhanced Service (AECES).

System Location

USPS National Customer Support Center (NCSC).

Categories of Individuals Covered by the System

Customers whose corrected addresses are maintained to avoid repetitive correction by USPS personnel.

Categories of Records in the System

  1. Customer information: name, incorrect address, and correct address.
  2. Delivery information: reason mail cannot be delivered to an address.

Authority for Maintenance of the System

39 U.S.C. 401, 403, and 404.


To provide address element correction services to increase the rate of properly addressed mail and improve delivery service to customers.

Routine Uses of Records Maintained in the System, Including Categories of Users and the Purposes of Such Uses

Standard routine uses 1. through 7., 10., and 11. apply. In addition:

  1. Disclosure of a customer’s corrected address or reason for nondelivery may be made to a mailer only if the mailer is in possession of the customer’s address which contains a minor error.

All routine uses are subject to the following exception: A record concerning an individual who has filed an appropriate protective court order with the postmaster/CFS Manager will not be disclosed under any routine use except pursuant to the order of a court of competent jurisdiction.

Policies and Practices for Storing, Retrieving, Accessing, Retaining, and Disposing of Records in the System


Automated databases.


By name, correct or incorrect address, or by Secure Hash Algorithm 1 technique, which is a combination of name and incorrect address.


Paper records, computers, and computer storage media are located in controlled-access areas under supervision of program personnel. Access to these areas is limited to authorized personnel, who must be identified with a badge.

Access to records is limited to individuals whose official duties require such access. Contractors and licensees are subject to contract controls and unannounced on-site audits and inspections. Computers are protected by mechanical locks, card key systems, or other physical access control methods. The use of computer systems is regulated with installed security software, computer logon identifications, and operating system controls including access controls, terminal and transaction logging, and file management software.

Computer applications operate on a secure data communications network used exclusively by the Postal Service.

Secure hash algorithm 1 (SHA-1) encryption is used for the stored representation of an Update File of name and incorrect address records. The Update File is not commingled with any other agency records or databases.

Retention and Disposal
  1. Records pending correction are retained no longer than 104 days.
  2. Records in the Update File are retained 7 years from the last affirmative match.

Records existing on paper are disposed of or destroyed. Records existing on computer storage media are destroyed according to the applicable USPS media sanitization practice.

System Manager(s) and Address

Vice President, Product Information, United States Postal Service, 475 L’Enfant Plaza SW, Washington, DC 20260.

Vice President, Delivery and Post Office Operations, United States Postal Service, 475 L’Enfant Plaza SW, Washington, DC 20260.

Notification Procedure

Customers wanting to know if information about them is maintained in this system of records should address inquiries to: Manager, National Customer Support Center, United States Postal Service, 6060 Primacy Parkway, Memphis, TN 38188. Inquiries should include full name, address, and ZIP Code. All known representations of incorrect name and/or address must be submitted in order to retrieve data to provide to the customer.

Record Access Procedures

Requests for access must be made in accordance with the Notification Procedure above nd USPS Privacy Act regulations regarding access to records and verification of identity under 39 CFR 266.6.

Contesting Record Procedures

See Notification Procedure and Record Access Procedures above.

Record Source Categories

USPS employees and mailers.