Chapter II
Crimes
Section II
War crimes
Article 10
War crimes against persons
1. Anyone who, in the context of an international armed conflict or a non-international armed conflict, commits any of the following acts against a person protected by international humanitarian law:
(j) Conviction and execution of sentence without a previous fair and impartial trial;
shall be punished with a term of imprisonment of 10 to 25 years.
Not affording judicial guarantees to the passing of sentences and the carrying out of executions - NIAC
Wilfully depriving a prisoner of war of the rights of fair and regular trial - IAC
Wilfully depriving a protected person of the rights of fair and regular trial - IAC
EDIT.