17 Article 215. Enforcement with respect to pollution from activities in the Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Article 216. Enforcement with respect to pollution by dumping . . . . . . . . . . . . . . . . . . . . . . Article 217. Enforcement by flag States . . . . . . . . . . . . . . . . . . Article 218. Enforcement by port States . . . . . . . . . . . . . . . . . . Article 219. Measures r e lating to seaworthiness of vessels to avoid pollution . . . . . . . . . . . . . . . . . . . . . . . . . . . . Article 220. Enforcement by coastal States . . . . . . . . . . . . . . . . Article 221. Measures to avoid pollution arising from maritime casualties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Article 222. Enforcement with respect to pollution from or through the atmosphere . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 7. SAFEGUARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Article 223. Measures to facilitate proceedings . . . . . . . . . . . . . Article 224. Exercise of powers of enforcement . . . . . . . . . . . . Article 225. Duty to avoid adverse consequences in the exercise of the powers of enforcement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Article 226. Investigation of foreign vessels . . . . . . . . . . . . . . . Article 227. Non-discrimination with respect to foreign vessels . . . . . . . . . . . . . . . . . . . Article 228. Suspension and restrictions on institution of proceedings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Article 229. Institution of civil proceedings . . . . . . . . . . . . . . . Article 230. Monetary penalties and the observance of recognized rights of the accused . . . . . . . . . . . . . . . . . . . . . . . Article 231. Notification to the flag State and other States concerned . . . . . . . . . . . . . . . . . . Article 232. Liability of States arising from enforcement measures ........................................ Article 233. Safeguards with respect to straits used for international navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 8. ICE-COVERED AREAS . . . . . . . . . . . . . . . . . . . . . . . . Article 234. Ice-covered areas . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 9. RESPONSIBILITY AND LIABILITY . . . . . . . . . . . . . Article 235. Responsibility and liability . . . . . . . . . . . . . . . . . . SECTION 10. SOVEREIGN IMMUNITY . . . . . . . . . . . . . . . . . . . . . . Article 236. Sovereign immunity . . . . . . . . . . . . . . . . . . . . . . . . SECTION 11. OBLIGATIONS UNDER OTHER CONVENTIONS ON THE P R O T E C T I O N A N D PRESERVATION OF THE MARINE ENVIRONMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 106 106 107 108 108 109 110 110 110 110 110 111 111 111 112 112 112 113 113 113 113 113 113 114 114 114