8.—(1) Where, at the time of serving on a person any notice demanding council tax for the relevant year in respect of a dwelling, it appears to a local authority that water services charges are payable by that person in respect of that dwelling and have not yet been demanded, they shall include a demand for those charges on that notice.
(2) No notice demanding water services charges in respect of a dwelling shall be served prior to service of any notice required to be served in respect of that dwelling and the relevant year under regulation 17(1) of the 1992 Regulations.
(3) Prior to service by a local authority of any such notice as is referred to in paragraph (1) above, that authority shall take reasonable steps to ascertain whether water services charges are payable in respect of the dwelling to which the notice relates.
(4) Where—
(a)a water authority—
(i)begins to provide any services to a dwelling on any day in the relevant year subsequent to 1st April; or
(ii)ceases to provide any services to a dwelling on such a day; and
(b)it appears to that authority that as a consequence water charges or sewerage charges begin, or cease, to be payable in respect of that dwelling,
the authority shall so advise the local authority within the area of which the dwelling is situated.