4(1)Every tariff customer shall at all times, at his own expense, keep all meters belonging to him, whereby the quantity of gas supplied by the public gas supplier is registered, in proper order for correctly registering the quantity of gas, and in default of his doing so the supplier may discontinue the supply of gas through that meter.
(2)A public gas supplier shall at all times, at his own expense, keep all meters let for hire or lent by him to any tariff customer in proper order for correctly registering the quantity of gas supplied; but this sub-paragraph is without prejudice to any remedy the supplier may have against the customer for failure to take proper care of the meter.
(3)A public gas supplier shall have power to remove, inspect and re-install any meter by which the quantity of gas supplied by him to a tariff customer is registered, and shall, while any such meter is removed, fix a substituted meter on the premises; and, subject to sub-paragraph (4) below, the cost of removing, inspecting and re-installing a meter and of fixing a substituted meter shall be defrayed by the supplier.
(4)Where such a meter is removed for the purpose of being examined by a meter examiner in accordance with section 17 of this Act, the expenses incurred in removing, examining and re-installing the meter and fixing a substituted meter shall, if the meter is found in proper order, be defrayed by the person at whose request the examination is to be carried out but otherwise shall be defrayed by the owner of the meter.
(5)A meter is found in proper order for the purposes of sub-paragraph (4) above if it is found to register correctly or to register erroneously to a degree not exceeding the degree permitted by regulations under section 17 of this Act.