The UR plan must provide that written notice of any adverse final decision on the need for continued stay under § 456.436 (g) through (i) is sent to—

(a) The ICF administrator;

(b) The attending physician;

(c) The qualified Intellectual Disability professional, if applicable;

(d) The Medicaid agency;

(e) The beneficiary; and

(f) If possible, the next of kin or sponsor.