(1) There shall be a police force for Nigeria, which shall be known as the Nigeria Police Force, and subject to the provisions of this section no other police force shall be established for the Federation or any part thereof.
(2) Subject to the provisions of this Constitution -
(a) the Nigeria Police Force shall be organised and administered in accordance with such provisions as may be prescribed by an act of the National Assembly;
(b) the members of the Nigeria Police shall have such powers and duties as maybe conferred upon them by law;
(c) the National Assembly may make provisions for branches of the Nigeria Police Force forming part of the armed forces of the Federation or for the protection of harbours, waterways, railways and air fields.
Section 214 of the Constitution of the Federal Republic of Nigeria