N.Y. Comp. Codes R. & Regs. tit. 9, § 183.5
(b) In the event that one or more restrictions in section 183.6 of this Part are present, on the 15th day after the date of the order of placement or the 10th day after the date of the order of commitment, admission may be delayed only while such restriction exists. However, the youth shall be admitted to the facility before the 30th day after the date of the commitment or placement order, unless: