N.Y. Mental Hyg. Law § 91.03

§ 91.03 Savings clause.\n Nothing contained in this chapter or any act amendatory thereof shall\naffect or impair the validity of any act done or right accruing, accrued\nor acquired, or any order, judgment, or status established prior to the\nenactment of this chapter or prior to the enactment of any act\namendatory thereof. Persons admitted or certified pursuant to the\nprovisions of article six or article seven of the mental hygiene law as\nit existed prior to the enactment of this chapter may be retained\npursuant to the provisions of the respective articles but in no event to\nexceed a period of two years from the effective date of this chapter.\n