BOOK I
GENERAL PROVISIONS
TITLE vii
JUSTIFIABLE FORCE AND HARM
108. Use of force for defence of property or possession or overcoming obstruction of legal right.
A person may justify the use of force for the defence of property or possession, or for overcoming an obstruction to the exercise of any legal right, as follows —
(1) a person in actual possession of a house, land, vessel or goods, or his servant or any other person authorised by him, may use such force, not extending to a wound or grievous harm, as is necessary for repelling a person who attempts forcibly and unlawfully to enter the house, land or vessel, or to take possession of the goods;
(2) a person in actual possession of a house, land or vessel, or his servant or any other person authorised by him may use such force, not extending to a blow, wound or grievous harm,
as is necessary for removing a person who, being in or on the house, land or vessel, and having been lawfully required to depart therefrom, refuses to depart;
(3) if a person wrongfully takes possession of or detains goods, any other person who, as against him, has a present right to the possession of them, may, upon his refusal to deliver up the goods on demand, use such force, by himself or by any other person, not extending to a blow, wound or grievous harm, as is necessary for recovering possession of the goods;
(4) a person may use such force, not extending to a blow, wound or grievous harm, as is necessary for overcoming any obstruction or resistance to the exercise by him of any legal right .
Self-defence - national proceedings
EDIT.