Recent Revisions to This Document Release Changes April 2019 This revision contains only editorial changes and no technical updates. September 2017 This revision contains only editorial changes and no technical updates. August 2017 All processors: added information about the CyberSource APIs to the CyberSource web site. See the CyberSource API Versions page. All processors that support relaxed requirements: moved the relaxed requirements information to a web page: Relaxed Requirements for Address Data and Expiration Date page. December 2016 This revision contains only editorial changes and no technical updates. August 2016 GPN: added support for pos_catLevel field. See General Card-Present Request Fields. March 2016 Chase Paymentech Solutions, FDC Nashville Global, and GPN: added support for relaxed requirements for address data and expiration dates. See Relaxed Requirements for Address Data and Expiration Date page.