546 



vided that it would not have expired before the end of that period, or 

 until the Administration issues a replacement Certificate, whichever 

 is earlier. As soon as possible after the transfer has taken place the 

 Government of the Party whose flag the ship was formerly entitled 

 to fly shall transmit to the Administration a copy of the Certificate 

 carried by the ship before the transfer and, if available, a copy of the 

 relevant survey report. 



Chapter II 



Requirements for Control of Operational Pollution 



REGULATION" 9 



Control of Discharge of Oil 



(1) Subject to the provisions of Regulations 10 and 11 of this 

 Annex and paragraph (2) of this Regulation, any discharge into the 

 sea of oil or oily mixtures from ships to which this Annex applies shall 

 be prohibited except when all the following conditions are satisfied: 



(a) for an oil tanker, except as provided for in sub-paragraph 

 (b) of this paragraph : 



(i) the tanker is not within a special area ; 



(ii) the tanker is more than 50 nautical miles from the near- 

 est land ; 



(iii) the tanker is proceeding en route ; 



(iv) the instantaneous rate of discharge of oil content does 

 not exceed 60 litres per nautical mile ; 



(v) the total quantity of oil discharged into the sea does 

 not exceed for existing tankers 1/15.000 of the total quantity 

 of the particular cargo of which the residue formed a part, 

 and for new tankers 1/30.000 of the total quantity of the par-- 

 ticular cargo of which the residue formed a part ; and 



(vi) the tanker has in operation, except as provided for in 

 Regulation 15(3) of this Annex, an oil discharge monitoring 

 and control system and a slop tank arrangement as required 

 by Regulation 15 of this Annex ; 



(b) from a ship of 400 tons gross tonnage and above other than 

 an oil tanker and from machinery space bilges excluding cargo 

 pump room bilges of an oil tanker unless mixed with oil cargo 

 residue : 



(i) the ship is not within a special area ; 



(ii) the ship is more than 12 nautical miles from the nearest 

 land; 



(iii) the ship is proceeding en route ; 



(iv) the oil content of the effluent is less than 100 parts per 

 million ; and 



(v) the ship has in operation an oil discharge monitoring 

 and control system, oily water separating equipment, oil filter- 

 ing system or other installation as required by Regulation 16 

 of this Annex. 



(2) In the case of a ship of less than 400 tons gross tonnage other 

 than an oil tanker whilst outside the special area, the Administration 

 shall ensure that it is equipped as far as practicable and reasonable 

 with installations to ensure the storage of oil residues on board and 



