CFR›Title 17›Chapter II›Part 243 ContainsSections 243.100–243.103CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 243—REGULATION FD Sections 243.100 § 243.100 General rule regarding selective disclosure. 243.101 § 243.101 Definitions. 243.102 § 243.102 No effect on antifraud liability. 243.103 § 243.103 No effect on Exchange Act reporting status. Authority15 U.S.C. 78c, 78i, 78j, 78m, 78o, 78w, 78mm, and 80a-29, unless otherwise noted.Source65 FR 51738, Aug. 24, 2000, unless otherwise noted. Previous 242 Part 242—Regulations M, Sho, ATS, AC, NMS, SE, and SBSR, and Customer Margin Requirements for Security Futures Next 244 Part 244—Regulation G