CFR›Title 39›Chapter III›Part 3013›Subpart C ContainsSection 3013.21CorpusDaily eCFRDisplayed edition2026-05-15Last updated2026-05-15 Subpart C—Depositions and Written Interrogatories Sections 3013.21 § 3013.21 Authority to order depositions and responses to written interrogatories. Previous B Subpart B—Subpoenas