N.Y. Comp. Codes R. & Regs. tit. 18 § 540.1 : DEPARTMENT OF SOCIAL SERVICES — Regulations of the Department of Social Services — Medical Care — Procedures and Forms — Authorization Of Medical Care — Authorization as basis for payment for medical assistance

Vendor payments for medical care and other items of medical assistance shall not be made unless such care or other items of assistance have been furnished on the basis of the appropriate authorization prescribed by the rules of the board and regulations of the department.