Rules under section 40E may provide for the reduction of charges payable for a supply of water under a bulk supply agreement where conditions specified by the rules are satisfied.
Rules made by virtue of subsection (1) may in particular—
specify conditions that affect any party to a bulk supply agreement;
require that steps be taken for the purpose of reducing or managing water consumption;
specify conditions about reducing charges payable by a person who—
is not party to the agreement, and
takes or proposes to take such steps as satisfy or would satisfy a condition falling within paragraph (b).
The rules may provide that, where a charge falls to be reduced in accordance with rules made by virtue of subsection (1), the water undertaker to which the charges are payable must give notice of that reduction to the Authority.
Rules made by virtue of subsection (3) may—
make provision as to the content of the notice;
specify the period within which an undertaker is to give notice to the Authority.
Provision under subsection (4)(a) may in particular require the notice to specify—
the provision of the rules that brings about the reduction in the charge;
the amount of the charge, with and without the reduction;
the period for which the reduction has effect.