Artikel XII

The Contracting parties pledge themselves to promote, within the competent specialised agencies and other international bodies, measures to protect the marine environment against pollution caused by:
(a) hydrocarbons, including oil, and their wastes;
(b) other noxious or hazardous matter transported by vessels for purposes other than dumping;
(c) wastes generated in the course of operation of vessels, aircraft, platforms and other man-made structures at sea;
(d) radio-active pollutants from all sources, including vessels;
(e) agents of chemical and biological warfare;
(f) wastes or other matter directly arising from, or related to the exploration, exploitation and associated off-shore processing of sea-bed mineral resources.
The Parties will also promote, within the appropriate international organisation, the codification of signals to be used by vessels engaged in dumping.