"15 years or more sentence offence" means an offence punishable by
imprisonment for life or for a period of 15 years or more.
(2) For the
purposes of this Part, the retrial of an acquitted person for an offence
includes a trial if the offence is not the same as the offence of which the
person was acquitted.
(3) In this Part, a reference to the proceedings in
which a person was acquitted includes, if they were appeal proceedings, a
reference to the earlier proceedings to which the appeal related.