Part 2 – Bill of Rights
Division 3 – Protection of the fundamental rights and freedoms
Subdivision A – Protection Generally
22 Protection of Law
(8) Subject to subsection (14)(c), no-one who shows that he has been tried for an offence by a competent court and was either —
(a) convicted; or
(b) acquitted,
shall again be tried for —
(c) the same offence; or
(d) any other offence of which he could have been convicted at the trial of that offence,
except on the order of a superior court in the course of appeal or review
proceedings relating to the conviction or acquittal.
(9) No-one shall be tried for an offence if he shows that —
(a) he has been pardoned for the offence; and
(b) if the pardon was a conditional pardon, he has complied with the conditions of the pardon.
EDIT.