Règle correspondante
Nigeria
Practice Relating to Rule 151. Individual Responsibility
Nigeria’s Geneva Conventions Act (1960) provides:
If, whether in or outside the Federation, any person, whatever his nationality, commits, or aids, abets or procures any other person to commit any such grave breach of any of the [1949 Geneva Conventions] … he shall, on conviction thereof, [be punished]. 
Nigeria, Geneva Conventions Act, 1960, Section 3(1).