CHAPTER 5. FUNDAMENTAL HUMAN RIGHTS AND FREEDOMS
Part I. General

19. FAIR TRIAL
(7) No person who shows that he has been tried by a competent court for a criminal offence and either convicted or acquitted, shall again be tried for that offence or for any other criminal offence of which he could have been convicted at the trial for the offence, except on the order of a superior court in the course of appeal or review proceedings relating to the conviction or acquittal.

PART II—PROVISIONS RELATING TO CRIMINAL PROCEEDINGS

Section 113 Retrial.
A person who has been once tried by a Court of competent jurisdiction for an offence, and convicted of the offence, shall not be liable to be tried again on the same facts for the same offence or any oth which he could have lawfully been convicted at the first trial unless a retrial is ordered by a Court havi do so.

PART V—TRIAL ON INDICTMENT

Section 237 Plead of Autrefois Acquit and Autrefois Convict.
(1) An accused may, upon indictment, plead—
(a) that he has been previously convicted or acquitted, as the case may be, of the same offenc
(b) that he has obtained the President's Pardon for his offence.
(2) If either of those pleas is pleaded in any case and denied to be true in fact, the Court shall try whet is true in fact or not.
(3) If the Court holds that the facts alleged by the accused do not prove the plea, or if it thinks that fact, the accused shall be required to plead to the indictment.
(4) Nothing in this section shall prevent an accused who has pleaded "not guilty" from raising any m of defence.