Court: High Court of Ghana

Year: 1991

Principle(s): It is indeed a fundamental right of every individual that he shall not be punished for any offences which had not been clearly set out and the punishment thereon equally laid down.

Court: Supreme Court

Year: 1962

Principle(s): A person shall not be punished for an offence under a repealed statute if the act happens after the repeal.

Court: Supreme Court

Year: 1997-98

Principle(s): When a law defining an offence is repealed (without a saving provision) during trial and before conviction, the trial ought to be discontinued as there would be no written law under which the accused could be punished; Meaning of principles of legality per Acquah JSC

Court: High Court

Year: 1979

Principle(s): If evidence is obtained in an improper man, the courts will not admit such evidence from the prosecution. This is to protect the liberties of suspects and discourage improper investigative methods.