The UR plan must provide that—

1. (a) The group performing UR assigns subsequent continued stay review dates in accordance with § 456.435.

2. (b) The group assigns a subsequent continued stay review date each time it decides under § 456.436 that the continued stay is needed—

   1. (1) At least every 6 months; or
   2. (2) More frequently than every six months if indicated at the time of continued stay review; and
3. (c) The group insures that each continued stay review date it assigns is recorded in the beneficiary's record.