Section 47 of the Principal Act is amended as follows:

(a) by inserting the following subsection after subsection (1) :

(1A)  A notice of dispute may only be lodged under subsection (1)  –

(a) within 6 years after the date of practical completion of the residential building work to which the notice relates; or

(b) if there is no date of practical completion for the residential building work to which the notice relates, within 6 years after the day on which the residential building work was performed by, or on behalf of, the building contractor.

(b) by omitting subsection (3) and substituting the following subsection:

(3)  A notice of dispute –

(a) is to specify the grounds of the dispute; and

(b) must be in the form approved by the Director; and

(c) must comply with the relevant provisions of a determination, made under section 11A , that is in force at the time when the notice of dispute is lodged with the Director.