CFR›Title 48›Chapter 5›Part 502 ContainsSubpart 502.1CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 502—DEFINITIONS OF WORDS AND TERMS Subparts 502.1 Subpart 502.1—Definitions Section 502.101 Authority40 U.S.C. 121(c). Previous 501 Part 501—General Services Administration Acquisition Regulation System Next 503 Part 503—Improper Business Practices and Personal Conflicts of Interest