Tks for your info but we had contrary info from an other agent in Thailand when we checked with them at the beginning of this month for the possibility to send spares on board:
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our Customs House not allow to clear ship's spare in transit. New customs law for ship's spare in transit not yet announced and we do not know when this will be announced by Customs house.
Therefore all ship's spare in transit must be cleared and pay customs import duty which is rather high. If possible, please send ship's spare in transit to next convenient port.
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Therefore, we would much appreciate your further assistance to recheck with the authorities if there are actually changes on their regulation for goods in transit ?