The medical board, or for medical facilities having no medical board a medical advisory committee composed of at least two currently registered physicians, shall adopt with governing board approval by-laws rules and regulations which provide formal procedures for the evaluation of the application and credentials of registered physician's assistants and registered specialist's assistants applying for employment or privileges in the facility for the purpose of providing medical services under the supervision of a physician.
N.Y. Comp. Codes R. & Regs. Tit. 10 § 707.2