580 



(c) the maximum quantity of cargo discharged from each tank 

 and its associated piping system does not exceed the maximum 

 quantity approved in accordance with the procedures referred 

 to in subparagraph (b) of this paragraph which shall in no case 

 exceed the greater of 1 cubic metre or 1/3,000 of the tank capacity 

 in cubic metres. 



(d) the discharge is made below the waterline, taking into 

 account the location of the seawater intakes ; and 



(e) the discharge is made at a distance of not less than 12 

 nautical miles from the nearest land and in a depth of water of 

 not less than 25 metres. 



(10) Ventilation procedures approved by the Administration may 

 be used to remove cargo residues from a tank. Such procedures shall 

 be based upon standards developed by the Organization. If subse- 

 quent washing of the tank is necessary, the discharge into the sea of 

 the resulting tank washings shall be made in accordance with para- 

 graphs (7), (8), or (9) of this Eegulation, whichever is applicable. 



(11) The discharge into the sea of substances which have not been 

 categorized, provisionally assessed or evaluated as referred to in Eeg- 

 ulation 4(1) of this Annex, or of ballast water, tank washings, or 

 other residues or mixtures containing such substances shall be pro- 

 hibited. 



(12) Nothing in this Regulation shall prohibit a ship from retain- 

 ing on board the residues from a category B or C cargo and discharg- 

 ing such residues into the sea outside a special area in accordance with 

 paragraph (2) or (3)- of this Regulation, respective! 3^ 



(13) (a) The Governments of Parties to the Convention, the coast- 

 lines of which border on any given special area, shall collectively 

 agree and establish a date by which time the requirement of Regula- 

 tion 7(1) of this Annex will be fulfilled and from which the require- 

 ments of paragraphs (7), (8), (9) and (10) of this Regulation in 

 respect of that area shall take effect and notify the Organization of 

 the date so established at least six months in advance of that date. The 

 Organization shall then promptly notify all Parties of that date. 



(b) If the date of entry into force of the present Convention is 

 earlier than the date established in accordance with sub-para- 

 graph (a) of this paragraph, the requirements of paragraph (1), 

 (2) and (3) of this Regulation shall apply during the interim 

 period. 



EEGULATION 6 



Exception 



Regulation 5 of this Annex shall not apply to : 



(a) the discharge into the sea of noxious liquid substances or 

 mixtures containing such substances necessary for the purpose of 

 securing the safety of a ship or saving life at sea ; or 



(b) the -discharge into the sea of noxious liquid substances or 

 mixtures containing such substances resulting from damage to a 

 ship or its equipment : 



(i) provided that all reasonable precautions have been 

 taken after the occurrence of the damage or discovery of the 

 discharge for the purpose of preventing or minimizing the 

 discharge ; and 



