CFR›Title 22›Chapter V›Part 519›Subpart C ContainsSection 519.300CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart C—Activities by Other than Own Employees Sections 519.300 § 519.300 Professional and technical services. Previous B Subpart B—Activities by Own Employees Next D Subpart D—Penalties and Enforcement