Understanding the Non-Manufacturers Rule

"In accordance with the OFPP Administrator's general delegation authority under the OFPP Act (41 U.S.C § 1122(c)(2)), and with the consent of the Acting Administrator of General Services, the OFPP Administrator is hereby delegating to the Administrator of General Services (hereinafter also GSA Administrator) the responsibility for managing the daily operations of FAI and for supporting FAI's resource management responsibilities." - OFPP and GSA Service Level Agreement (March 30, 2013)