(a) The procurement standards stated in §§1274.502 through 1274.510, may not apply to or may supplement the procedures of a commercial recipient that has a purchasing system approved in accordance with the requirements of FAR Subpart 44.3 and NFS 1844.3.

(b) Sections 1274.502 through 1274.510 set forth standards for use by recipients in establishing procedures for the procurement of supplies and other expendable property, equipment, real property and other services with Federal funds. These standards are furnished to ensure that such materials and services are obtained in an effective manner and in compliance with the provisions of applicable Federal statutes and executive orders.