CFR›Title 49›Subtitle A›Part 33›Subpart B ContainsSection 33.20CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart B—Definitions Sections 33.20 § 33.20 Definitions. Previous Appendix I to Part 33 Appendix I to Part 33—Sample Form OST F 1254 Next C Subpart C—Placement of Rated Orders