(1) No person
shall be liable to be convicted of an offence against any of sections 140, 141, or 142 of the principal Act committed before the commencement of this Act if the act that constituted
the offence does not constitute an offence after the commencement
of this Act.
(2) Subject to
subsection (1), where, before the commencement of this Act, any person
has been charged with any offence against section 140 or section 141 or section 142 of the principal Act, the proceedings in respect of the charge shall continue as if this
Act had not been passed, except that—
(a) where the person is charged with an offence
against section 141 of the principal Act and the charge relates to a boy of or over the age of 12 years and
under the age of 16 years, he shall be entitled to raise any defence
that he would have been entitled to raise if the charge had been brought
under section 140A of the principal Act (as substituted by section 3 of this Act); and