19.—(1) In relation to an offence under article 6, 7, 8, 10 or 11 or paragraph 4(b) or (d) of Schedule 1 committed before the commencement of section 282 of the Criminal Justice Act 2003(1) (increase in maximum term that may be imposed on summary conviction of offence triable either way), the references in article 13(1)(b)(i) and (2)(b)(i) to 12 months shall have effect as if they were references to six months.
(2) In relation to an offence under paragraph 2(3) or 4(a) or (c) Schedule 1 committed before the commencement of section 281(4) and (5) of the Criminal Justice Act 2003 (alteration of penalties for certain summary offences), the reference in article 13(3)(a) to 51 weeks shall have effect as if it were a reference to six months.