42 CFR § 411.126 - Reopening of determinations and decisions.

---
identifier: "/us/cfr/t42/s411.126"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 411.126 - Reopening of determinations and decisions."
title_number: 42
title_name: "Public Health"
section_number: "411.126"
section_name: "Reopening of determinations and decisions."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "MEDICARE PROGRAM"
part_number: "411"
part_name: "EXCLUSIONS FROM MEDICARE AND LIMITATIONS ON MEDICARE PAYMENT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 1302, 1395w-101 through 1395w-152, 1395hh, and 1395nn."
regulatory_source: "54 FR 41734, Oct. 11, 1989, unless otherwise noted."
cfr_part: "411"
---


# 411.126 Reopening of determinations and decisions.

(a) A determination that a GHP or LGHP is a nonconforming GHP or the decision or revised decision of a hearing officer or of the CMS Administrator may be reopened within 12 months from the date on the notice of determination or decision or revised decision, for any reason by the entity that issued the determination or decision.

(b) The decision to reopen or not to reopen is not appealable.