A licensed plumber who carried out plumbing work that is defective work must rectify the defective work at his or her own cost if –

(a) the defective work is discovered –

(i) at any stage before the first anniversary of the issue of the certificate of completion (notifiable plumbing work) in respect of the work, if the work was notifiable plumbing work; or

(ii) at any stage before the first anniversary of the issue of the certificate of completion (permit plumbing work) in respect of the work, if the work was permit plumbing work; and

(b) the relevant permit authority, or the Director of Building Control, certifies on reasonable grounds that the defective work is due to –

(i) an omission, or faulty workmanship, by the person; or

(ii) the use of a defective or unauthorised material, fitting or plumbing product by the person.

Penalty:  Fine not exceeding 100 penalty units.