CFR›Title 49›Subtitle A›Part 20›49 CFR Part 20 Subpart C Citation49 CFR Part 20 Subpart CContainsSection § 20.300CorpusDaily eCFRDisplayed edition2026-09-18Last updated2026-09-18 Subpart C—Activities by Other Than Own Employees Sections § 20.300 § 20.300 Professional and technical services. AuthoritySec. 319, Public Law 101-121 (31 U.S.C. 1352); 49 U.S.C. 322(a).Source55 FR 6737, 6756, Feb. 26, 1990, unless otherwise noted. Previous B Subpart B—Activities by Own Employees Next D Subpart D—Penalties and Enforcement