N.Y. Comp. Codes R. & Regs. tit. 9, § 175-1.13
(a) A youth who has been examined by a psychiatrist, physician or appropriate Division for Youth professional and determined to require immediate hospitalization shall be referred to a hospital pursuant to section 9.39 or section 9.37 of the Mental Hygiene Law for observation, care and treatment.
(1) A youth shall be determined to require immediate hospitalization if he is alleged to have a mental illness for which immediate observation, care and treatment in a hospital is appropriate and which is likely to result in serious harm to himself or others. For the purpose of this section, likelihood to result in serious harm shall mean:
(b) No later than 15 calendar days after the admission of any youth to a hospital pursuant to this section, the director of the facility from which the youth was transferred shall initiate a transfer hearing pursuant to the procedures set out in section 175-1.5 of this Subpart.
(c) A youth admitted to a hospital pursuant to this section may waive his right to a hearing if: