116 
tion and rate of discharge of the effluent is such that the concentration of the 
substance in the wake astern of the ship does not exceed 1 part per million; 
(c) the maximum quantity of cargo discharged from each tank and its 
associated piping system does not exceed the maximum quantity approved 
in accordane 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 subsequent washing of the tank is necessary, the 
discharge into the sea of the resulting tank washings shall be made in accordance 
with paragraphs (7), (8), or (9) of this Regulation, whichever is applicable. 
(11) The discharge into the sea of substances which have not been categorized, 
provisionally assessed or evaluated as referred to in Regulation 4(1) of this 
Annex, or of ballast water, tank washings, or other residues or mixtures contain- 
ing such substances shall be prohibited. 
(12) Nothing in this Regulation shall prohibit a ship from retaining on board 
the residues from a category B or C cargo and discharging such residues into the 
sea outside a special area in accordance with paragraph (2) or (3) of this Regul- 
tion, respectively. 
(13) (a) The Governments of Parties to the Convention, the coastlines of which 
border on any given special area, shall collectively agree and establish a date by 
which time the requirement of Regulation 7(1) of this Annex will be fulfilled and 
from which the requirements of paragraphs (7), (8), (9) and (10) of this Regu- 
lation 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-paragraph (a) of this parngraph, the 
requirements of paragraphs (1), (2) and (3) of this Regulation shall apply 
during the interim period. 
Regulation 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 pur- 
pose of preventing or minimizing the discharge; and 
(ii) except if the owner or the Master acted either with intent to 
cause damage, or recklessly and with knowledge that damage would 
probably result ; or 
(ce) the discharge into the sea of noxious liquid substances or mixtures con- 
taining such substances, approved by the Administration, when being used 
for the purpose of combating specific pollution incidents in order to mini- 
mize the damage from pollution. Any such discharge shall be subject to the 
approval of any Government in whose jurisdiction it is contemplated the 
discharge will oceur. 
Regulation 7 
RECEPTION FACILITIES 
(1) The Government of each Party to the Convention undertakes to ensure 
the provision of reception facilities according to the needs of ships using its ports, 
terminals or repair ports as follows: 
(a) cargo loading and unloading ports and terminals shall have facilities 
adequate for reception without undue delay to ships of such residues and 
