10. Any summons whether to a person to appear and answer to a charge or to attend and give evidence or produce any document in a criminal case, when issued by the direction of the Court or on the application of any official in the employment of the Government, applying in his official capacity, shall be issued without payment of any fee. And, where it shall appear to a Court to which application is made for the issue of any such summons as aforesaid or for the issue of a copy of any depositions that the applicant has a genuine and bona fide cause and that he has not sufficient means to pay the prescribed fees, any such summons or copy of such depositions may be issued by the direction of the Court or any member thereof without payment of any fee. In all other cases the prescribed fee shall be paid.