(7) Any document purporting to be a report under the hand of any Chemical Examiner or Assistant Chemical Examiner to Government upon any matter or thing duly submitted to him for examination or analysis and report may be used as evidence in any proceeding under this Act.
143. Reference by accused to Government officer.—(1) If at any trial for desertion or absence without leave, overstaying leave or not rejoining when warned for service, the person tried states in his defence any sufficient or reasonable excuse for his unauthorised absence, and refers in support thereof to any officer in the service of the Government, or if it appears that any such officer is likely to prove or disprove the said statement in the defence, the court shall address such officer and adjourn the proceedings until his reply is received.
(2) The written reply of any officer so referred to shall, if signed by him be received in evidence and have the same effect as if made on oath before the court.
(3) If tho court is dissolved before the receipt of such reply, or if the court omits to comply with the provisions of this section, the convening officer may, at his discretion annul the proceedings and order a fresh trial.
144. Evidence of previous convictions and general character.—(1) When any person subject to this Act has been convicted by a court-martial of arty offence, such court-martial may inquire into, and receive and record evidence of any previous convictions of such person, either by a court-martial or by a criminal court, or any previous award of punishment under any of the sections 80, 83, and 85, and may further inquire into and record the general character of such person and such other matters as may be prescribed.
(2) Evidence received under this section may be either oral, or in the shape if entries in, or certified extracts from, court-martial books or other official records; and it shall not be necessary to give notice before trial to the person tried that evidence as to his previous convictions or character will be received.
(3) At a summary court-martial the officer holding the trial may, if he thinks fit, record any previous convictions against the offender, his general character, and such other matters as may be prescribed, as of his own knowledge, instead of requiring them to be proved under the foregoing provisions of this section.
145. Lunacy of accused.—(1) Whenever, in the course of a trial by a court-martial, it appears to the court that the person charged is by reason of unsoundness of mind incapable of making his defence, or that he committed the act alleged but was by reason of unsoundness of mind incapable of knowing the nature of the act or knowing that it was wrong or contrary to law, the court shall record a finding accordingly.
(2) The presiding officer of the court, or, in the case of a summary court-martial, the officer holding the trial, shall forthwith report the case to the confirming officer, or to the authority empowered to deal with its finding under section 162, as the case may be.
(3) The confirming officer to whom the case is reported under sub-section (2) may, if he does not confirm the finding, take steps to have the accused person tried by the same or another court-martial for the offence with which he was charged.
(4) The authority to whom the finding of a summary court-martial is reported under sub-section (2), and a confirming officer confirming a finding in any case so reported to him shall order the accused person to be kept in custody in the
