Code of Federal Regulations > Title 45 > Chapter A > Part 155 - PART 155—EXCHANGE ESTABLISHMENT STANDARDS AND OTHER RELATED STANDARDS UNDER THE AFFORDABLE CARE ACT

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Feb 11, 2026

Subpart A [§ 155.10 - § 155.30] - Subpart A—General Provisions.

Subpart B [§ 155.100 - § 155.170] - Subpart B—General Standards Related to the Establishment of an Exchange

Subpart C [§ 155.200 - § 155.285] - Subpart C—General Functions of an Exchange

Subpart D [§ 155.300 - § 155.355] - Subpart D—Exchange Functions in the Individual Market: Eligibility Determinations for Exchange Participation and Insurance Affordability Programs

Subpart E [§ 155.400 - § 155.430] - Subpart E—Exchange Functions in the Individual Market: Enrollment in Qualified Health Plans

Subpart F [§ 155.500 - § 155.555] - Subpart F—Appeals of Eligibility Determinations for Exchange Participation and Insurance Affordability Programs

Subpart G [§ 155.600 - § 155.635] - Subpart G—Exchange Functions in the Individual Market: Eligibility Determinations for Exemptions

Subpart H [§ 155.700 - § 155.741] - Subpart H—Exchange Functions: Small Business Health Options Program (SHOP)

Subpart I - Subparts I-J [Reserved]

Subpart K [§ 155.1000 - § 155.1090] - Subpart K—Exchange Functions: Certification of Qualified Health Plans

Subpart L - Subpart L [Reserved]

Subpart M [§ 155.1200 - § 155.1210] - Subpart M—Oversight and Program Integrity Standards for State Exchanges

Subpart N [§ 155.1300 - § 155.1332] - Subpart N—State Flexibility

Subpart O [§ 155.1400 - § 155.1405] - Subpart O—Quality Reporting Standards for Exchanges

Subpart P [§ 155.1500 - § 155.1515] - Subpart P—Improper Payment Pre-Testing and Assessment (IPPTA) for State-based Exchanges