The Text
The provisions of this Constitution shall apply to the Federal Capital Territory, Abuja as if it were one of the States of the Federation; accordingly the legislative powers, the executive powers and the judicial powers vested in the House of Assembly, the Governor of a State and in the courts of a State shall, respectively, vest in the National Assembly, the President of the Federation and in the courts which by virtue of the foregoing provisions are courts established for the Federal Capital Territory.
Source · Constitution of the Federal Republic of Nigeria, 1999, as amended · §299