[Code of Federal Regulations] [Title 42, Volume 2] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 42CFR411.126] [Page 414-415] TITLE 42--PUBLIC HEALTH HUMAN SERVICES PART 411_EXCLUSIONS FROM MEDICARE AND LIMITATIONS ON MEDICARE PAYMENT-- Table of Contents Subpart E_Limitations on Payment for Services Covered Under Group Health Plans: General Provisions Sec. 411.126 Reopening of determinations and decisions. (a) A determination that a GHP or LGHP is a nonconforming GHP or the [[Page 415]] 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.