The Central Authority shall inform, by any means capable of producing a written record, the competent authority in the designated state that transmitted an external confiscation order of the following:
(a) where the external confiscation order was transmitted by or on behalf of a court in a designated state that is a member state, when the Central Authority receives the external confiscation order;
(b) where the external confiscation order was transmitted by or on behalf of a court in a designated state that is a member state, when the execution of the external confiscation order has been completed;
(c) where it is impossible to execute the external confiscation order under section 51A because, after consultation with that competent authority, the realisable property the subject of that order has been destroyed or cannot be found in the location indicated in the documents accompanying that order or that location has not been indicated in a sufficiently precise manner;
(d) where the Hig
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