CFR›Title 17›Chapter I›Part 4›Subpart D ContainsSections 4.40–4.41CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart D—Advertising Sections 4.40 § 4.40 [Reserved] 4.41 § 4.41 Advertising by commodity pool operators, commodity trading advisors, and the principals thereof. Previous C Subpart C—Commodity Trading Advisors