460 



Article V 



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

 Article III shall not apply to the discharge of oily mixture from the 

 bilges of a ship during the period of twelve months following the date 

 on which the present Convention comes into force for the relevant 

 territory in accordance with paragraph (1) of Article II. 



Article VII 



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



(1) As from a date twelve months after the present Convention 

 comes into force for the relevant territory in respect of a ship in 

 accordance with paragraph (1) of Article II, such a ship shall be 

 required to be so fitted as to prevent, as far as reasonable and practi- 

 cable, the escape of oil into bilges, unless effective means are provided 

 to ensure that the oil in the bilges is not discharged in contravention 

 of this Convention. 



(2) Carrying water ballast in oil fuel tanks shall be avoided if 

 possible. 



Article IX 



The existing texts of paragraphs (1) and (2) are replaced by the 

 following : 



(1) Of the ships to which the present Convention applies, every 

 ship which uses oil fuel and every tanker shall be provided with an 

 oil record book, whether as part of the ship's official log book or other- 

 wise, in the form specified in the Annex to this Convention. 



(2) The oil record book shall be completed on each occasion, on a 

 tank-to-tank basis, whenever any of the following operations take 

 place in the ship : 



(a) for tankers : 



(i) loading of oil cargo ; 



(ii) transfer of oil cargo during voyage ; 



(m) discharge of oil cargo ; 



(iv) ballasting of cargo tanks; 



(v) cleaning of cargo tanks; 



(^'^) discharge of dirty ballast; 



(vii) discharge of water from slop-tanks; 



Imii) disposal of residues ; 



(ix) discharge overboard of bilge water containing oil which 

 has accumulated in machinery spaces whilst in port, and the 

 routine discharge at sea of bilge water containing oil unless the 

 latter has been entered in the appropriate log book ; 

 (6) for ships other than tankers.' 



(i) ballasting or cleaning of bunker fuel tanks; 



(ii) discharge of dirty ballast or cleaning water from tanks 

 referred to under (i) of this sub-paragraph ; 



(Hi) disposal of residues; 



(iu) discharge overboard of bilge water containing oil which has 

 accumulated in machinery spaces whilst in port, and the routine 

 discharge at sea of bilge water containing oil unless the latter has 

 been entered in the appropriate log book. 



