558 



be provided with an Oil Eecord Book, whether as part of the ship's 

 official log book or otherwise, in the form spe<!ified in Appendix III to 

 this Annex. 



(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 oil tankers 



(i) loadmg of oil cargo ; 



( ii ) internal transfer of oil cargo during voyage : 



(iii) opening or closing before and after loading and un- 

 loading operations of valves or similar devices which inter- 

 connect cargo tanks ; 



(iv) opening or closing of means of communication between 

 cargo piping and seawater ballast piping ; 



(v) opening or closing of ships' side valves before, during 

 and after loading and unloading operations ; 



(vi) unloading of oil cargo ; 



(vii) ballasting of cargo tanks; 



(viii) cleaning of cargo tanks ; 



(ix) discharge of ballast except from segregated ballast 

 tanks; 



(x) discharge of water from slop tanks ; 



(xi) disposal of residues : 



(xii) discharge overboard of bilge water which has accumu- 

 lated in machinery spaces whilst in port, and the routine 

 discharge at sea of bilge water which has acciunulated in 

 machinery spaces. 



(b) For ships other th-an oil tankers 



(i) ballasting or cleaning of fuel oil tanks or oil cargo 

 spaces ; 



(ii) discharge of ballast or cleaning water from tanks re- 

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



(iii) disposal of residues : 



(iv) discharge overboard of bilge water which has accumu- 

 lated in machinery spaces whilst in port, and the routine 

 discharge at sea of bilge water which has accumulated in 

 machinery spaces. 



(3) In the event of such discharge of oil or oily mixture as is re- 

 ferred to in Eegulation 11 of this Annex or in the event of accidental 

 or other exceptional discharge of oil not excepted by that Eegulation, 

 a statement shall be made in the Oil Eecord Book of the circumstances 

 of. and the reasons for. the discharge. 



(4) Each operation described in paragraph (2) of this Eearulation 

 shall be fully recorded without delay in the Oil Eecord Book so that 

 all the entries in the book appropriate to that operation are completed. 

 Each section of the book shall be signed bv the officer or officers in 

 charge of the operations concerned and shall be countersigned by the 

 Master of the ship. The entries in the Oil Eecord Book shall be in an 

 official lanofuag-e of the State whose flaa: the ship is entitled to fly. and, 

 for ships holdinor an International Oil Pollution Prevention Certifi- 

 cate. (1973 "> in English or French. The entries in an official national 

 language of the State whose flag the ship is entitled to fly shall prevail 

 in case of a dispute or discrepancy. 



