CFR›Title 49›Subtitle B›Chapter VI›Part 655›Subpart C ContainsSections 655.21–655.30CorpusDaily eCFRDisplayed edition2026-04-23Last updated2026-04-23 Subpart C—Prohibited Drug Use Sections 655.21 § 655.21 Drug testing. 655.22-655.30 §§ 655.22-655.30 [Reserved] Previous B Subpart B—Program Requirements Next D Subpart D—Prohibited Alcohol Use