Related Rule
Practice Relating to Rule 4. Definition of Armed Forces
Section A. General definition
Nigeria’s Military Manual (1994) states:
In general, the armed forces of a state and of a party to a conflict consist of all organised units and personnel which are under a command responsible for the behaviour of its subordinates and each state and belligerent party must determine the categories of persons and objects belonging to its armed forces … Furthermore, the armed forces shall be subject to an internal disciplinary system in order to uphold and enforce the law of war. 
Nigeria, International Humanitarian Law (IHL), Directorate of Legal Services, Nigerian Army, 1994, p. 38, § 4.