Section 456.431 - Continued stay review required(a) The UR plan must provide for a review of each beneficiaries continued stay in the ICF at least every 6 months to decide whether it is needed.(b) The UR plan requirement for continued stay review may be met by-(1) Reviews that are performed in accordance with the requirements of §§ 456.432 through 456.437 ; or(2) Reviews that meet on-site inspection requirements under subpart I if- (i) The composition of the independent professional review team under subpart I meets the requirements of § 456.406 ; and(ii) Reviews are conducted as frequently as required under §§ 456.433 and 456.434 .