42 CFR §456.238

1. (a)The committee makes a final decision on a beneficiary's need for continued stay and gives notice under § 456.237 of an adverse decision within 2 working days after the assigned continued stay review date, except as required under paragraph (b) of this section.
2. (b)If the committee makes an adverse final decision on a beneficiary's need for continued stay before the assigned review date, the committee gives notice under § 456.237 within 2 working days after the date of the final decision.