(1) A building commencement notice for building work ends if—
(a) for residential building work—the work is no longer insured; or
(b) the building approval for the work ends.
(2) In this section:
"insured", for building work, means—
(a) the work is insured under a residential building insurance policy; or
(b) a fidelity certificate is in force for the work by the trustees of a scheme approved under division 6.4 (Approved fidelity fund schemes).