N.Y. Comp. Codes R. & Regs. tit. 10, § 14-2.17
(d) The permit-issuing official or his representative is to be permitted access for purposes of inspection at all times while the temporary food service establishment is in operation, whether open to the public for service of food or not. Refusal of admittance is cause for permit revocation and order to close.
(e) Embargo.