of this Chapter to commissions issued in Burma. The provisions of sub-section (3) of section 503,^[2] and so much of sections 505 and 507 as relates to the execution of a commission and its return by the Magistrate or officer to whom the commission is directed shall apply in respect of commissions issued ^[3] relating to commissions for the examination of witnesses, as they apply to commissions issued under section 503 or section 506.] _______