A water undertaker shall not be in breach of a duty imposed by virtue of the service of a connection notice unless—
In any case in which a water undertaker is subject to any such duty as is mentioned in subsection (1)(a) above, it shall be presumed, unless the contrary is shown in relation to that case, that the period of twenty-one days beginning with the relevant day is the period within which it is reasonably practicable for a water undertaker—
as it is necessary to lay or fit in that case for connecting a water main in a street with a service pipe at the boundary of any premises which abut on the part of the street where the main is situated.
Where—
the duties of the undertaker under sections 45 and 46 above shall not arise by virtue of that notice until the person serving the notice, having obtained the necessary consents from the owners and occupiers of any affected land, has, at his own expense, laid so much of the service pipe as it is necessary, for the purpose of making the connection, to lay otherwise than in a street or in land mentioned in subsections (3) to (5) of section 46 above.
In subsection (3) above the reference to the customer's part of the service pipe to any premises is a reference to so much of the service pipe to those premises as falls to be laid otherwise than by the water undertaker in pursuance of section 46 above.
Where—
the undertaker may delay its compliance with those duties until a reasonable time after the required information is provided.
In this section "the relevant day", in relation to a duty imposed on a water undertaker by virtue of a connection notice, means the day after whichever is the latest of the following days, that is to say-