Basel Convention
Under Article 9(1)(d) of the Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and Their Disposal, it is illegal for "any transboundary movement of hazardous wastes or other wastes: that results in deliberate disposal (e.g. dumping) of hazardous wastes or other wastes in contravention of this Convention and of general principles of international law".