N.Y. Comp. Codes R. & Regs. tit. 14, § 526.10
(3) Unless otherwise ordered and clinically justified by a physician, the size of a nasogastric feeding tube used on an individual patient shall not exceed:
(a) General.
Nasogastric tubes may be used for feeding purposes in inpatient facilities when determined to be clinically appropriate, following consideration of all possible routes and types of nutrition administration.
(b) Conditions for use.