Fact Sheets
01/26/2016
Full and Limited Service Provider NCOALink® with ANKLink® Required Text Document

Required text document for Full and Limited Service providers of NCOALink and ANKLink.

Fact Sheets
01/26/2016
Combined Required Text Documents (RTD)

This document contains the specified required documents for NCOALink®.

User Guides
01/26/2016
NCOALink® Software Interface Distributor Required Text Document

This document contains the required text for NCOALink® Software Interface Distribution.

Technical Specifications
01/15/2016
Postal Service Mail.dat Technical Specification v3 (includes R40, 41 and 42)

This document is a comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! ® system using the Mail.dat® file format.

Announcements
01/07/2016
Licensing Announcement: SHA-256 Products on Electronic Product Fulfillment (EPF)

To comply with the recommendations from the December 2014 Office of Inspector (OIG) audit of the NCOALink® program, the USPS® will begin the transition from SHA‐1 to SHA‐256 technology as the method for data encryption.