The representative of some or all of the owners of dwellinghouses in a multi-unit complex may bring a claim under this Act in respect of any common areas as if those areas were a single dwellinghouse, and as if the representative were its owner, if—
(a) subsection (1), (2), or (3) (as the case requires) of section 22 has been complied with; and
(b) the representative (or, in the case of a body corporate, an officer or member of the representative) attaches to the application for an assessor's report—
(i) a written notice authorising invasive testing by an assessor relating to those areas; and
(ii) a statutory declaration that subsection (1), (2), or (3) (as the case requires) of section 22 has been complied with.