Subject to subsections (2) and (10) below, a water undertaker may agree with any person constructing or proposing to construct—
that, if the water main or service pipe is constructed in accordance with the terms of the agreement, the undertaker will, upon completion of the work, at some specified date or on the happening of some future event, declare the water main or (as the case may be) so much of the service pipe as the undertaker could otherwise, by virtue of sections 45 to 51 above, be required to lay, to be vested in that undertaker.
Subsection (1) above shall not apply in the case of water mains or service pipes which are to be used (in whole or in part) for the purpose of supplying water other than for domestic purposes, but—
A person constructing or proposing to construct a water main or a service pipe to which subsection (1) above applies may request a water undertaker to make an agreement under this section.
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An agreement made under this section by a water undertaker shall be enforceable against the undertaker by the owner or occupier for the time being of any premises connected or to be connected with the water main or service pipe to which it relates.
The reference in subsection (9) to an agreement made under this section includes a reference to—
A water undertaker shall not make an agreement under this section with respect to a water main or a service pipe situated within the area of another water undertaker, until either—