CFR›Title 14›Chapter II›Part 221›Subpart O ContainsSections 221.140–221.142CorpusDaily eCFRDisplayed edition2026-11-10Last updated2026-11-10 Subpart O—Giving and Revoking Concurrences to Carriers Sections 221.140 § 221.140 Method of giving concurrence. 221.141 § 221.141 Method of revoking concurrence. 221.142 § 221.142 Method of withdrawing portion of authority conferred by concurrence. Previous N Subpart N—Waiver of Tariff Regulations Next P Subpart P—Giving and Revoking Powers of Attorney to Agents