§ 89-d. Inspection of meters. 1. The commission shall appoint
inspectors of water meters whose duty it shall be, when required by the
commission, to inspect, examine, prove and ascertain the accuracy of any
and all water meters used or intended to be used for measuring or
ascertaining the quantity of water furnished by any water-works
corporation to or for the use of any person or corporation, and to
inspect, examine and ascertain the accuracy of all apparatus for testing
and proving the accuracy of water meters, and, when found to be or made
to be correct, the inspector shall stamp or mark all such meters and
apparatus with some suitable device, which device shall be recorded in
the office of the secretary of state. No water-works corporation shall
furnish, set or put in use any water meter the type of which shall not
have been approved by the commission.

2. Every water-works corporation shall provide, repair and maintain
such suitable premises and apparatus and facilities as may be required
and approved by the commission for testing and proving the accuracy of
water meters furnished for use by it, and by which apparatus every meter
may be tested.

3. If any consumer to whom a meter has been furnished shall request
the commission in writing to inspect such meter, the commission shall
have the same inspected and tested; provided, however, that repeated
inspections and tests shall not be mandatory.

4. The commission shall prescribe such rules and regulations to carry
into effect the provisions of this section as it may deem necessary.