N.Y. Comp. Codes R. & Regs. tit. 14, § 633.11
(1) Consent for professional medical treatment.
(iii) Informed consent may be obtained for those persons who are residents of a facility operated or certified by OPWDD as follows:
(a) If a person is less than 18 years of age, consent shall be obtained from one of the surrogates listed, in the order stated:
(b) If a person is 18 years of age or older, but lacks capacity to understand appropriate disclosures regarding proposed professional medical treatment or a determination of insufficient capacity has been made pursuant to clause (g) of this subparagraph, informed consent to such proposed professional medical treatment shall be obtained from one of the surrogates listed, in the order stated:
(g) If it is not clear whether a person has capacity to understand appropriate disclosures regarding proposed professional medical treatment, the chief executive officer of a facility shall, in each instance, either:
(3) Sterilization.
(5) Nasogastric feeding procedures.
(ii) The use of a nasogastric feeding tube with an outside diameter that exceeds 3.96 millimeters (#12 French) shall be prohibited unless the use of a larger diameter nasogastric tube is medically indicated and the use of such a larger tube is directed in writing by a licensed physician.
(b) Standards of certification.
(a) Principles of compliance.