Self-defence - national proceedings

Iceland

Iceland - Criminal Code 1940 (2019) EN

II. chapter. General penalty conditions.

Article 12
This work is unpunished by emergency response, insofar as it has been necessary to prevent or avert an unlawful attack that is initiated or imminent, provided that no defenses have been used that are clearly more dangerous than the attack and damage what could be expected of her gave reason.
If a person has exceeded the limits of permissible emergency protection, and the reason for this is that he has become so frightened or astonished that he could not take full care of himself, he shall not be punished.

Rome Statute

Article 31 Grounds for excluding criminal responsibility

1. In addition to other grounds for excluding criminal responsibility provided for in this Statute, a person shall not be criminally responsible if, at the time of that person's conduct:

(c) The person acts reasonably to defend himself or herself or another person or, in the case of war crimes, property which is essential for the survival of the person or another person or property which is essential for accomplishing a military mission, against an imminent and unlawful use of force in a manner proportionate to the degree of danger to the person or the other person or property protected. The fact that the person was involved in a defensive operation conducted by forces shall not in itself constitute a ground for excluding criminal responsibility under this subparagraph;