# Patient Protection and Affordable Care Act; Market Stabilization
> **US Department of Health and Human Services** · Final rule. · Published 2017-04-18 · Effective 2017-06-19 · 82 FR 18346
## Document
- **Document number:** 2017-07712
- **Category:** other
- **Sub-agency:** US Department of Health and Human Services
- **Federal Register citation:** 82 FR 18346
- **CFR reference:** 45 CFR 147
- **Publication date:** 2017-04-18
- **Effective date:** 2017-06-19
- **HHS docket:** CMS-9929-F
## Abstract

This rule finalizes changes that will help stabilize the individual and small group markets and affirm the traditional role of State regulators. This final rule amends standards relating to special enrollment periods, guaranteed availability, and the timing of the annual open enrollment period in the individual market for the 2018 plan year; standards related to network adequacy and essential community providers for qualified health plans; and the rules around actuarial value requirements.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/04/18/2017-07712/patient-protection-and-affordable-care-act-market-stabilization)
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