CFR›Title 45›Subtitle A›Part 172›45 CFR Part 172 Subpart E Citation45 CFR Part 172 Subpart EContainsSections § 172.500–§ 172.503CorpusDaily eCFRDisplayed edition2026-09-28Last updated2026-09-28 Subpart E—Termination Sections § 172.500 § 172.500 Applicability. § 172.501 § 172.501 QHIN self-termination. § 172.502 § 172.502 QHIN termination. § 172.503 § 172.503 Termination by mutual agreement. Authority42 U.S.C. 300jj-11; 5 U.S.C. 552.Source89 FR 101810, Dec. 16, 2024, unless otherwise noted.