Northern Territory Consolidated RegulationsRegulation 15A does not apply to:
(a) residential building work for which a building permit has been granted prior to 3 July 2006; or
(b) residential building work for which:
(i) an application for a building permit was made before 1 January 2007; and
(ii) a building certifier has certified in writing that substantial progress was made in the design of the building prior to 3 July 2006.