7.1 The Government of the receiving Party should
establish appropriate measures in order to ensure that provisions
of 7.2 are complied with.
7.2 A tank which has been unloaded should, subject
to the provisions of 7.3, be washed and all contaminated washings
should be discharged to a reception facility before the ship leaves
the port of unloading for another port.
7.3 At the request of the ship's master, the Government
of the receiving Party may exempt the ship from the requirements referred
to in 6.2, where it is satisfied that:
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.1 the tank unloaded is to be reloaded with the
same substance or another substance compatible with the previous one
and that the tanker will not be washed or ballasted prior to loading;
and
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.2 the tank unloaded is neither washed nor ballasted
at sea if the ship is to proceed to another port unless it has been
confirmed in writing that a reception facility at that port is available
and adequate for the purpose of receiving the residues and solvents
necessary for the cleaning operations.
7.4 An exemption referred to in 6.3
should only be granted by the Government of the receiving Party to
a ship engaged in voyages to ports or terminals under the jurisdiction
of other Parties to the Convention. When such an exemption has been
granted it should be certified in writing by the Government of the
receiving Party.
7.5 In the case of ships retaining their
residues on board and proceeding to ports or terminals under the jurisdiction
of other Parties to the Convention, the Government of the receiving
Party is advised to inform the next port of call of the particulars
of the ship and cargo residues, for their information and appropriate
action for the detection of violations and enforcement of the Convention.