A contractor hearing decision issued in accordance with Sec. 405.1831 of this subpart is final and binding on all parties to the contractor hearing and on the contractor, unless the hearing decision is reviewed by a CMS reviewing official in accordance with Sec. 405.1834 of this subpart or reopened and revised by the contractor hearing officer(s) in accordance with Sec. 405.1885 through Sec. 405.1889 of this subpart. Final contractor hearing decisions are subject to the provisions of Sec. 405.1803(d) of this subpart. [73 FR 30248, May 23, 2008; 73 FR 49356, Aug. 21, 2008]