CFR›Title 39›Chapter I›Part 223 ContainsSections 223.1–223.2CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 223—RELATIONSHIPS AND COMMUNICATION CHANNELS Sections 223.1 § 223.1 Headquarters and areas. 223.2 § 223.2 Channels of communication, headquarters with area offices. Authority39 U.S.C. 201, 202, 203, 204, 207, 401(2), 402, 403, 404.Source69 FR 53000, Aug. 31, 2004, unless otherwise noted. Previous 222 Part 222—Delegations of Authority Next 230 Part 230—Office of Inspector General