A freezing co-operation order remains in force -
(a) where the external freezing order is for the purpose of securing evidence, until the evidence is transferred to the issuing state or a request for such a transfer is refused,
(b) where the order is for the purpose of subsequent confiscation of property -
(i) in the case of confiscation on foot of an external confiscation order transmitted by or on behalf of a court in a designated state that is a member state, until the execution of that external confiscation order or until the Central Authority has informed the competent authority in the designated state concerned of one of the matters under paragraphs (c), (d), (e), (f) and (g) of section 51G, and
(ii) in any other case, until a confiscation co-operation order is made or the request for such an order is refused and the refusal is upheld on any appeal against it, or
(c) until the freezing co-operation order is discharged in accordance with section 45.