相关规则
Burundi
Practice Relating to Rule 100. Fair Trial Guarantees
Section B. Trial by an independent, impartial and regularly constituted court
Burundi’s Law on Genocide, Crimes against Humanity and War Crimes (2003) states:
[The following are] considered as war crimes:
C. In the case of an armed conflict not of an international character, serious violations of Article 3 common to the four Geneva Conventions of 12 August 1949, namely, any of the following acts committed against persons taking no direct part in hostilities, including members of armed forces who have laid down their arms and persons placed hors de combat by sickness, wounds, detention or any other cause:
d) the passing of sentences and the carrying out of executions without previous judgment pronounced by a regularly constituted court, affording all judicial guarantees which are generally recognized as indispensable. 
Burundi, Law on Genocide, Crimes against Humanity and War Crimes, 2003, Article 4(C)(d).
Burundi’s Penal Code (2009) states:
“War crimes” means crimes which are committed as part of a plan or policy or as part of a large-scale commission of such crimes, in particular:
3. In the case of an armed conflict not of an international character, serious violations of article 3 common to the four 1949 Geneva Conventions … , namely, any of the following acts committed against persons taking no active part in the hostilities, including members of armed forces who have laid down their arms and those placed hors de combat by sickness, wounds, detention or any other cause:
4°. The passing of sentences and the carrying out of executions without previous judgment pronounced by a regularly constituted court. 
Burundi, Penal Code, 2009, Article 198 3(4o).