CFR›Title 45›Subtitle B›Chapter V›Part 503 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 PART 503—PRIVACY ACT AND GOVERNMENT IN THE SUNSHINE REGULATIONS Subparts A Subpart A—Privacy Act Regulations Sections 503.1–503.12 B Subpart B—Government in the Sunshine Regulations Sections 503.20–503.29 Authority5 U.S.C. 552a(f).Source66 FR 49844, Oct. 1, 2001, unless otherwise noted. Previous 502 Part 502—Public Information-Freedom of Information Act Next 504 Part 504—Filing of Claims and Procedures Therefor