598 



REGULATION- 5 



Stowage 



Harmful substances shall be both properly stowed and secured so as 

 to minimize the hazards to the marine environment without impair- 

 ing the safety of ship and persons on board. 



KEGULATION 6 



Quantity Limitations 



Certain harmful substances which are very hazardous to the marine 

 environment may, for sound scientific and technical reasons, need to 

 be prohibited for carriage or be limited as to the quantity which may 

 be carried aboard any one ship. In limiting the quantity due consider- 

 ation shall be given to size, construction and equipment of the ship as 

 well as the packaging and the inherent nature of the substance. 



EEGULATIOISr 7 



Exceptions 



(1) Discharge by jettisoning of harmful substances carried in pack- 

 aged forms, freight containers, portable tanks or road and rail tank 

 wagons shall be prohibited except where necessary for the purpose of 

 securing the safety of the ship or saving life at sea. 



(2) Subject to the provisions of the present Convention, appropri- 

 ate measures based on the physical, chemical and biological properties 

 of harmful substances shall be taken to regulate the washing of leak- 

 ages overboard provided that compliance with such measures would 

 not impair the safety of the ship and persons on board. 



REGULATION 8 



Notification 



With respect to certain harmful substances, as may be designated by 

 the Government of a party to the Convention, the master or owner of 

 the ship or his representative shall notify the appropriate port author- 

 ity of the intent to load or unload such substances at least 24 hours 

 prior to such action. 



International Convention for the Prevention of Pollution 

 From Ships, 1973 



Text of Annex IV of the Convention adopted hy the Conference [^] 



Annex IV 



Regulation's for the Prevention of Pollution hy Sewage from Ships 



REGULATION 1 



Definitions 



For the purposes of the present Annex : 

 ( 1 ) "New ship" means a ship : 



(a) for which the building contract is placed, or in the absence 

 of a building contract, the keel of which is laid, or which is at a 



» [Reproduced from I.M.C.O. Document MP/CONP/WP.21/Add.3 of Oct. 31, 1973.] 



