CFR›Title 45›Subtitle A›Part 170›Subpart A ContainsSections 170.100–170.102CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—General Provisions Sections 170.100 § 170.100 Statutory basis and purpose. 170.101 § 170.101 Applicability. 170.102 § 170.102 Definitions. Next B Subpart B—Standards and Implementation Specifications for Health Information Technology