The UR plan must provide that—

1. (a) When a beneficiary is admitted to the ICF under admission review requirements of this subpart, the group performing UR assigns a specified date by which the need for his continued stay will be reviewed;
2. (b) The group performing UR bases its assignment of the initial continued stay review date on the methods and criteria required to be described under § 456.435(a);

3. (c) The initial continued stay review date is—

   1. (1) Not later than 6 months after admission; or
   2. (2) Earlier than 6 months after admission, if indicated at the time of admission; and
4. (d) The group performing UR insures that the initial continued stay review date is recorded in the beneficiary's record.