CFR›Title 45›Subtitle A›Part 172›Subpart E ContainsSections 172.500–172.503CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 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. Previous D Subpart D—Suspension Next F Subpart F—Review of RCE or ASTP/ONC Decisions