Section 18C(2) of the Principal Act is amended as follows:(a) by omitting from paragraph (a) "1 July 2015" and substituting "1 January 2016" ;(b) by omitting from paragraph (b)(ii)(A) "1 July 2015" and substituting "1 January 2016" ;(c) by omitting from paragraph (b)(iii)(A) "1 July 2015" and substituting "1 January 2016" .