N.Y. Comp. Codes R. & Regs. tit. 10, § 7-1.4
(4) The permit-issuing official or designated representative shall inspect the premises within two working days of notification that the hazard has been eliminated. The placards will be removed after the permit-issuing official or his designated representative verifies that the hazard has been eliminated.
(b) Public health hazards.
Any of the following violations are public health hazards which require immediate corrective or remedial action and which require the permit-issuing official or designated representative to order immediate correction or to immediately institute action as provided in the law and in this Subpart:
(a) Permits and placarding.