Related Rule
Nigeria
Practice Relating to Rule 141. Legal Advisers for Armed Forces
Nigeria’s Military Manual (1994) notes that Part V Section I of the 1977 Additional Protocol I “recommends for legal advisers to be assigned to Commanders at all time[s]”. 
Nigeria, International Humanitarian Law (IHL), Directorate of Legal Services, Nigerian Army, 1994, p. 9, § 9e.
The manual also states: “[Article 82] of Protocol I provides that Commanders may be assisted by special legal advisers … where there’s need.” 
Nigeria, International Humanitarian Law (IHL), Directorate of Legal Services, Nigerian Army, 1994, p. 31, § 4.