PART IX P ROVOCATION 238. Provocation in relation to crimes other than murder. 239. When provocation a partial defence to murder. Division C: Defences and Mitigating Factors Relating to Unlawfulness PART X AUTHORITY 240. Public authority. 241. Discipline of children. 242. Purported corporal punishment of spouses unlawful. PART XI C OMPULSION 243. Requirements for compulsion to be complete defence. 244. Additional requirements for compulsion to be complete defence to murder. PART XII CONSENT 245. 246. 247. 248. 249. 250. 251. Requirements for consent to be complete defence. When consent no defence. Consent to medical treatment for therapeutic purposes. Consent to medical treatment for non-therapeutic purposes. Consent to sporting injuries. Consent to injuries from customary or religious practices. Consent given on behalf of other persons. PART XIII DEFENCE OF P ERSON 252. 253. 254. 255. Interpretation in Part XIII of Chapter XIV. Requirements for defence of person to be complete defence. When defence of person partial defence to murder. Mistaken belief in relation to defence of person. PART XIV DEFENCE OF PROPERTY 256. 257. 258. 259. Interpretation in Part XIV of Chapter XIV. Requirements for defence of property to be complete defence. Killing in defence of property. When defence of property partial defence to murder. PART XV E NTRAPMENT 260. Entrapment no defence to crimes. PART XVI IMPOSSIBILITY 261. Requirements for impossibility to be complete defence. PART XVII NECESSITY 262. 263. 264. 265. Application Part XVII of Chapter XIV. Requirements for necessity to be complete defence. Additional requirements for necessity to be complete defence to murder. When necessity partial defence to murder.