N.Y. PBS Law § 89-D

§ 89-d. Inspection of meters. 1. The commission shall appoint\ninspectors of water meters whose duty it shall be, when required by the\ncommission, to inspect, examine, prove and ascertain the accuracy of any\nand all water meters used or intended to be used for measuring or\nascertaining the quantity of water furnished by any water-works\ncorporation to or for the use of any person or corporation, and to\ninspect, examine and ascertain the accuracy of all apparatus for testing\nand proving the accuracy of water meters, and, when found to be or made\nto be correct, the inspector shall stamp or mark all such meters and\napparatus with some suitable device, which device shall be recorded in\nthe office of the secretary of state. No water-works corporation shall\nfurnish, set or put in use any water meter the type of which shall not\nhave been approved by the commission.\n 2. Every water-works corporation shall provide, repair and maintain\nsuch suitable premises and apparatus and facilities as may be required\nand approved by the commission for testing and proving the accuracy of\nwater meters furnished for use by it, and by which apparatus every meter\nmay be tested.\n 3. If any consumer to whom a meter has been furnished shall request\nthe commission in writing to inspect such meter, the commission shall\nhave the same inspected and tested; provided, however, that repeated\ninspections and tests shall not be mandatory.\n 4. The commission shall prescribe such rules and regulations to carry\ninto effect the provisions of this section as it may deem necessary.\n