20.—(1) Subject to this section, where property has been seized under a warrant issued under section 11(1)(a) or is the subject of a restraint order issued under section 11(1)(b), the property may be detained or the order may continue in force, as the case may be, for a period not exceeding 6 months from the seizure or the issuing of the order, as the case may be.
(2) The property may continue to be detained, or the order may continue in force, for a period exceeding 6 months if proceedings are instituted in respect of which the property detained may be forfeited.
(3) The property may continue to be detained or the order may continue in force for a period or periods exceeding 6 months if the continuation is, on application made by the Public Prosecutor, ordered by a Judge, where the Judge is satisfied that the property is required, after the expiration of the period or periods, for the purpose of this Act or any other Act respecting forfeiture or for the purpose of any investigation or as evidence in any proceedings.