Changes to this instrument — recently made and commencing amendments, and changes already in force.
Two practical changes were made to section 2.1. First, new subsection (2A) locks in the standards for development covered by an amended BASIX certificate: if a DA or CDC application has already been lodged, the standards that applied when the original certificate was issued continue to apply; otherwise the current Schedule 1 or 2 standards apply. This stops a later amendment to a certificate from pulling lodged projects into newer, tougher standards. Second, subsection (5) was tightened — the embodied-emissions quantification requirement now applies only to Schedule 1 development (not Schedule 2 as well), and the emissions must be quantified using an approved BASIX system rather than by any method.
Subsection (2) of the savings and transitional provisions has been repealed. That provision had given relevant BASIX development (dwelling houses and dual occupancies) a temporary exemption from section 2.1(1) where the building contract was signed on or before 30 September 2023 — but only until 30 September 2024. Because that window had already closed (and subsection (4) confirms section 2.1(1) applies to all relevant BASIX development from 1 October 2024), the provision was spent. Removing it is essentially housekeeping to clear out a now-obsolete transitional rule.
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