469 



is established in accordance with the Geneva Convention on the Ter- 

 ritorial Sea and the Contiguous Zone, 1958', 



'Oil' means crude oil, fuel oil, heavy diesel oil and lubricating oil, 

 and 'oily' shall be construed accordingly ; 



'Oily mixture' means a mixture with any oil content; 



'Organization' means the Inter- Governmental Maritime Consul- 

 tative Organization ; 



'Ship' means any sea-going vessel of any type whatsoever, including 

 floating craft, whether self-propelled or towed by another vessel, 

 making a sea voyage ; and 'tanker' means a ship in which the greater 

 part of the cargo space is constructed or adapted for the carriage of 

 liquid cargoes in bulk and which is not, for the time being, carrying 

 a cargo other than oil in that part of its cargo space. 



Article III 



The existing text of Article III is replaced by the following : 

 Subject to the provisions of Articles IV and V : 

 (a) the discharge from a ship to which the present Convention 

 applies, other than a tanker, of oil or oily mixture shall be prohibited 

 except when the following conditions are all satisfied : 

 (i)^ the ship is proceeding en route ; 



(ii) the instantaneous rate of discharge of oil content does not 

 exceed 60 litres per mile ; 



(m) the oil content of the discharge is less than 100 parts per 

 1,000,000 parts of the mixture ; 



(iv) the discharge is made as far as practicable from land; 

 (h) the discharge from a tanker to which the present Convention 

 applies of oil or oily mixture shall be prohibited except when the fol- 

 lowing conditions are all satisfied : 



(i)^ the tanker is proceeding en route ; 



(ii) the instantaneous rate of discharge of oil content does not 

 exceed 60 litres per mile ; 



(Hi) the total quantity of oil discharged on a ballast voyage 

 does not exceed 1/15,000 of the total cargo-carrying capacity; 

 (iv) the tanker is more than 50 miles from the nearest land; 

 (c) the provisions of sub-paragraph (b) of this article shall not 

 apply to: 



(i) the discharge of ballast from a cargo tank which, since the 

 cargo was last carried therein, has been so cleaned that any effluent 

 therefrom, if it were discharged from a stationary tanker into 

 clean calm water on a clear day, would produce no visible traces 

 of oil on the surface of the water : or 



(ii) the discharge of oil or oily mixture from machinery space 

 bilges, which shall oe governed by the provisions of sub-paragraph 

 (a) 01 this Article. 



Article IV 



Paragraph (c) is deleted. 



