2.—(1) Any person requesting anything under these Regulations is liable for the cost.
(2) Otherwise fees are payable, as specified in the invoice, by the relevant person as defined in section 80(7) of the Water Industry Act 1991.
(3) Where more than one person is liable, in determining who is required to make payment the local authority—
(a)may apportion the charge between them; and
(b)must have regard to any agreement or other document produced to the local authority relating to the terms on which water is supplied.