PART II—OFFENCES AGAINST THE PERSON
CHAPTER 1—JUSTIFIABLE FORCE AND HARM
Section 31—Grounds on which Force or Harm May be Justified.
Force may be justified in the cases and manner, subject to the conditions, hereinafter in this Chapter mentioned, on the ground of any of the following matters, namely—
(f) necessity for prevention of or defence against crime ;
PART II—OFFENCES AGAINST THE PERSON
CHAPTER 1—JUSTIFIABLE FORCE AND HARM
Section 37—Use of Force for Prevention of or Defence Against Crime, Etc.
For the prevention of, or for the defence of himself or any other person against any crime, or for the suppression or dispersion of a riotous or unlawful assembly, a person may justify any force or harm which is reasonably necessary extending in case of extreme necessity, even to killing.
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;