N.Y. Comp. Codes R. & Regs. tit. 10, § 86-2.34
(b) For purposes of establishing the allowable indirect component of the rate pursuant to section 86-2.10(d) of this Subpart, a hospital-based residential health care facility whose affiliation changes to free-standing under circumstances described in subdivision (a) of this section may apply to the department at the same time notice of closure is given pursuant to subdivision (a) of this section for a three-year phase in of its free-standing affiliation for reimbursement purposes effective the beginning of the next calendar year following actual complete closure of its acute care beds.