Court: U.S Supreme Court

Year: 1803

Principle(s): Judicial Review: An act of congress which violates the constitution, is void.

Court: Court

Year: 1970

Principle(s): Discussion of the legal effects of a coup d'état, grundnorm

Court: Supreme Court

Year: 1997-98

Principle(s): Retained ministers need prior parliamentary approval before they can assume office; inapplicability of political question doctrine; supremacy of the constitution

Court: Court of Appeal, Sitting as Supreme Court

Year: 1980

Principle(s): An act which contravenes the constitution is void. Vetting and rejection of Apaloo found contrary to article 127(8), therefore void; Parliamentary proceedings cannot be questioned by the court pursuant to article 96; Every Ghanaian has the right to prevent the abolishing of the constitutional order and can bring an action in the Supreme Court for such purposes.

Court: Supreme Court

Year: 1994

Principle(s): Any act which contravenes the constitution shall be void to the extent of the inconsistency. The constitution as a whole is a justiciable document, and this includes the directive principles of state policy.