CFR›Title 20›Chapter III›Part 438›Subpart C ContainsSection 438.300CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart C—Activities by Other Than Own Employees Sections 438.300 § 438.300 Professional and technical services. Previous B Subpart B—Activities by Own Employees Next D Subpart D—Penalties and Enforcement