CFR›Title 10›Chapter II›Part 501›Subpart D ContainsSection 501.40CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart D—Subpoenas, Special Report Orders, Oaths and Witnesses Sections 501.40 § 501.40 Issuance. Previous C Subpart C—Written Comments, Public Hearings and Conferences During Administrative Proceedings Next E Subpart E—Prohibition Rules and Orders