These Regulations commence as follows:
(a) on 1 January 2007 -- regulations 1 to 4 and Schedule 1;
(b) on the coming into effect of the US classifications 6402.91.10, 6402.91.20, 6402.91.26, 6402.99.08, 6402.99.16 and 6402.99.19 for goods that are entered, or withdrawn from warehouse for consumption in the United States -- regulations 5 to 7 and Schedule 2.