These Regulations commence as follows:
(a) on the commencement of Schedule 1 to the Customs Tariff Amendment (2012 Harmonized System Changes) Act 2011 -- regulations 1 to 3 and Schedule 1;
(b) immediately after the commencement of Schedule 2 to the Customs Amendment Regulations 2011 (No. 2) -- regulation 4 and Schedule 2;
(c) on the commencement of Schedule 1 to the Acts Interpretation Amendment Act 2011 -- regulation 5 and Schedule 3.