Site Feedback

Title 45

Displaying title 45, up to date as of 6/10/2026. Title 45 was last amended 6/09/2026.
There have been changes in the last two weeks to Subchapter B.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 45Public WelfarePart / Section
Subtitle ADepartment of Health and Human Services1 – 199
Subchapter BRequirements Relating to Health Care Access140 – 159
Parts 140-143 [Reserved]
Part 144Requirements Relating to Health Insurance Coverage144.101 – 144.214
Subpart AGeneral Provisions144.101 – 144.103
Subpart BQualified State Long-Term Care Insurance Partnerships: Reporting Requirements for Insurers144.200 – 144.214
Part 145 [Reserved]
Part 146Requirements for the Group Health Insurance Market146.101 – 146.180
Part 147Health Insurance Reform Requirements for the Group and Individual Health Insurance Markets147.100 – 147.212
Part 148Requirements for the Individual Health Insurance Market148.101 – 148.320
Part 149Surprise Billing and Transparency Requirements149.10 – 149.740
Part 150CMS Enforcement in Group and Individual Insurance Markets150.101 – 150.465
Part 151 [Reserved]
Part 152Pre-Existing Condition Insurance Plan Program152.1 – 152.45
Part 153Standards Related to Reinsurance, Risk Corridors, and HHS Risk Adjustment Under the Affordable Care Act153.10 – 153.740
Part 154Health Insurance Issuer Rate Increases: Disclosure and Review Requirements154.101 – 154.301
Subpart AGeneral Provisions154.101 – 154.103
Subpart BDisclosure and Review Provisions154.200 – 154.230
Subpart CEffective Rate Review Programs154.301
Part 155Exchange Establishment Standards and Other Related Standards Under the Affordable Care Act155.10 – 155.1515
Part 156Health Insurance Issuer Standards Under the Affordable Care Act, Including Standards Related to Exchanges156.10 – 156.1256
Part 157Employer Interactions with Exchanges and Shop Participation157.10 – 157.206
Subpart AGeneral Provisions157.10 – 157.20
Subpart B [Reserved]
Subpart CStandards for Qualified Employers157.200 – 157.206
Part 158Issuer Use of Premium Revenue: Reporting and Rebate Requirements158.101 – 158.615
Part 159Health Care Reform Insurance Web Portal159.100 – 159.120