(1) A payee may serve a payment claim on the payer for each progress payment,—
(a) if the contract provides for the matter, at the end of the relevant period that is specified in, or is determined in accordance with the terms of, the contract; or
(b) if the contract does not provide for the matter, at the end of the relevant period referred to in section 17(2).
(2) A payment claim must—
(a) be in writing; and
(b) contain sufficient details to identify the construction contract to which the progress payment relates; and
(c) identify the construction work and the relevant period to which the progress payment relates; and
(d) indicate a claimed amount and the due date for payment; and
(e) indicate the manner in which the payee calculated the claimed amount; and
(f) state that it is made under this Act.
(3) If a payment claim is served on a residential occupier, it must be accompanied by—
(a) an outline of the process for responding to that claim; and
(b) an explanation of the consequences of—
(i) not responding to a payment claim; and
(ii) not paying the claimed amount, or the scheduled amount, in full (whichever is applicable).
(4) The matters referred to in subsection (3)(a) and (b) must—
(b) be in the prescribed form (if any).