相关规则
Nigeria
Practice Related to Rule 95. Forced Labour
Section A. General
Nigeria’s Manual on the Laws of War gives a list of examples of war crimes, inter alia, “compelling prisoners of war to perform prohibited work” and “using and, in particular, deporting civilians for forced labour”. 
Nigeria, The Laws of War, by Lt. Col. L. Ode PSC, Nigerian Army, Lagos, undated, § 6(11) and (13).