NCC 2022 Volume Two - Building Code of Australia Class 1 and 10 buildings Breadcrumb NCC National Construction Code 2022 NCC 2022 Volume Two - Building Code of Australia Class 1 and 10 buildings Schedule 9 Tasmania H6 TAS Part H6 Energy efficiency TAS Part H6 Energy efficiency In Tasmania, Part H6 is replaced with BCA 2019 Amendment 1 Part 2.6.