CFR›Title 15›Subtitle A›Part 28›Subpart C ContainsSection 28.300CorpusDaily eCFRDisplayed edition2026-06-11Last updated2026-06-11 Subpart C—Activities by Other Than Own Employees Sections 28.300 § 28.300 Professional and technical services. Previous B Subpart B—Activities by Own Employees Next D Subpart D—Penalties and Enforcement