247.—A certificate under the hand of a person authorised by the Minister to make certificates under this section certifying the matters mentioned in any one of the following paragraphs, that is to say:—

(a) that a person named in such certificate was during a specified period an officer of the Reserve Defence Force and was at a specified time ordered on service or duty for which as an officer belonging to the Reserve Defence Force he was liable,

(b) that a person named in such certificate was during a specified period an officer of the Reserve Defence Force and was during a specified period employed on service or duty for which as an officer of the Reserve Defence Force he was liable,

(c) that a person named in such certificate was during a specified period an officer of the Reserve Defence Force and was during a specified period attached to a body of troops for the time being subject to military law,

(d) that a person named in such certificate was during a specified period an officer of the Reserve Defence Force and was during a specified period doing duty with a body of troops for the time being subject to military law,

(e) that a person named in such certificate was during a specified period an officer of the Reserve Defence Force and was at a specified time ordered on duty by the military authorities,

(f) that a person named in such certificate was during a specified period an officer of the Reserve Defence Force and was during a specified period voluntarily attending training,

(g) that a person named in such certificate was during a specified period an officer of the Reserve Defence Force and was during a specified period undergoing treatment in a military hospital,

shall in proceedings under this Act, whether before a civil court or a court-martial, be prima facie evidence of the matters so certified and it shall not be necessary to prove the signature of the person purporting to make such certificate or that he was so authorised.