CFR›Title 45›Subtitle B›Chapter V›Part 501 ContainsSections 501.1–501.7CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 PART 501—SUBPOENAS, DEPOSITIONS, AND OATHS Sections 501.1 § 501.1 Extent of authority. 501.2 § 501.2 Subpoenas. 501.3 § 501.3 Service of process. 501.4 § 501.4 Witnesses. 501.5 § 501.5 Depositions. 501.6 § 501.6 Documentary evidence. 501.7 § 501.7 Time. AuthoritySec. 2, Pub. L. 896, 80th Cong., 62 Stat. 1240, as amended (50 U.S.C. App. 2001); sec. 3, Pub. L. 455, 81st Cong., 64 Stat. 12, as amended (22 U.S.C. 1622).Source66 FR 49844, Oct. 1, 2001, unless otherwise noted. Previous 500 Part 500—Appearance and Practice Next 502 Part 502—Public Information-Freedom of Information Act