N.Y. Comp. Codes R. & Regs. tit. 12, § 38.15
(a) The holder of a license or permit issued by the State Department of Health, the New York City Department of Health, the United States Nuclear Regulatory Commission, and any agreement state, or any licensing nonagreement state, may bring, possess or use radioactive material covered by such license or permit within the commissioner's jurisdiction for a period not in excess of 30 days in any calendar year without obtaining a license from the commissioner, provided that:
(b) Any holder of a license or permit issued by the State Department of Health, the New York City Department of Health, the United States Nuclear Regulatory Commission, any agreement state, or any licensing nonagreement state which authorizes the holder to manufacture, install or service a device of the type which is generally licensed and specified in Table 3, item (b) of this Part (rule), may install or service such device without obtaining a license from the commissioner, provided that: