CFR›Title 31›Subtitle B›Chapter II›Part 306›Subpart P ContainsSections 306.125–306.128CorpusDaily eCFRDisplayed edition2026-04-28Last updated2026-04-28 Subpart P—Miscellaneous Provisions Sections 306.125 § 306.125 Additional requirements. 306.126 § 306.126 Waiver of regulations. 306.127 § 306.127 Preservation of existing rights. 306.128 § 306.128 Supplements, amendments or revisions. Previous O Subpart O—Book-Entry Procedure