Criminal Code of the Republic of Croatia passed by Croatian Parliament at its session on September 19, 1997, entered into force on January 1, 1998
Crime of Aggression
Article 89
(1) Whoever, being in a position effectively to exercise control over or to direct the political or military action of a state, uses the armed forces of one state against the sovereignty, territorial integrity or political independence of another state, or in any other manner inconsistent with the Charter of the United Nations executes an act of aggression which, by its character, gravity and scale, constitutes a violation of the Charter of the United Nations shall be sentenced to imprisonment for a term of at least five years or to long-term imprisonment.
(2) Whoever takes part in the operations of the armed forces referred to in paragraph 1 of this Article shall be sentenced to imprisonment for a term of between three to fifteen years.
(3) Whoever directly and publicly incites to the crime of aggression shall be sentenced to imprisonment for a term of between one and ten years.
Individual criminal responsibility
National penalties - aggression
National penalties - maximum penalty
EDIT.