The Constitutional Court is competent to:
– decide on the constitutionality of the laws and of the regulatory acts taken in the matters other than those arising within the domain of the law;
– assure the respect for this Constitution including the Charte des Droits fundamentaux [Charter of Fundamental Rights], by the organs of the State, [and] the other institutions;
– interpret the Constitution, at the demand of the President of the Republic, of the President of the National Assembly, of the President of the Senate, of one-quarter of the Deputies or of one-quarter of the Senators;
– decide on the regularity of the presidential elections, legislative [elections] and of the referenda and to proclaim the definitive results of them;
– receive the oath of the President of the Republic, of the Vice President of the Republic, of the Prime Minister and of the other Ministers before their entry into [their] functions;
– declare the vacancy of the post of President of the Republic.
– declare the vacancy of the seats of the parliamentarians.
The organic laws before their promulgation, the international treaties before submitting them to the vote of the Assemblies, the internal regulations of the National Assembly and of the Senate before their application, are submitted obligatory to the control of constitutionality. (Art. 234)