CFR›Title 45›Subtitle B›Chapter VI›Part 604›Subpart C ContainsSection 604.300CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart C—Activities by Other Than Own Employees Sections 604.300 § 604.300 Professional and technical services. Previous B Subpart B—Activities by Own Employees Next D Subpart D—Penalties and Enforcement