6.—(1) The undertakers or any person duly authorised by them may at any time, and shall if so requested in writing by the customer, test the accuracy of any meter which has been installed.
(2) A meter shall be tested in accordance with Regulation 6(2) and (4) of the 1988 Regulations in order to determine whether it falls within the prescribed limits of error (whether or not it is a meter to which those Regulations apply).
(3) The undertakers or any person duly authorised by them may remove a meter from premises where it is necessary to do so for the purpose of testing.
(4) The equipment used for testing shall comply with clause 4.6 of BS 5750: Part 3: 1987((1)).
(5) The undertakers shall provide the customer with a copy of the results of the test.
ISBN 0 580 15946 0, published by the British Standards Institution on 29th May 1987.