If, after inspection of an account or record referred to in section 23, the inspecting officer has any reasonable cause to believe that any provision of this Act or of any other law relating to foreign exchange has been, or is being, contravened, he may seize such account or record and produce the same before the court, authority or tribunal in which any proceeding is brought for such contravention:
     Provided that the authorised officer shall return such account or record to the person from whom it was seized if no proceeding is brought within six months from the date of such seizure for the contravention disclosed by such account or record.