相关规则
Belgium
Practice Relating to Rule 151. Individual Responsibility
Section B. Individual civil liability
Belgium’s Law concerning the Repression of Grave Breaches of the Geneva Conventions and their Additional Protocols (1993), as amended in 1999, provides:
Where a breach provided for in the present Act [i.e. genocide, crimes against humanity and a list of war crimes] falls under the competence of a military court, public prosecution shall be instituted through a summons issued by the Public Prosecutor’s Office for the accused to appear before the trial court or through a complaint filed by any person claiming to have suffered injury as a result of the breach and bringing a suit for damages before the president of the judicial commission at the Conseil de Guerre [Court Martial] under the conditions provided for in Article 66 of the Code of Criminal Investigation. 
Belgium, Law concerning the Repression of Grave Breaches of the Geneva Conventions and their Additional Protocols, 1993, as amended in 1999, Article 9(3).
At the Diplomatic Conference of Plenipotentiaries on the Establishment of an International Criminal Court in 1998, the Belgian Minister of Foreign Affairs stated that Belgium was in favour of inserting in the ICC Statute provisions that would permit the Court to rule on reparation claims. 
Belgium, Statement by the Minister of Foreign Affairs at the Diplomatic Conference of Plenipotentiaries on the Establishment of an International Criminal Court, Rome, 17 June 1998.