(1) Unless the convening officer has otherwise directed, on the commencement of the trial of a person by the Court, the said person shall be placed under arrest by his commanding Officer and shall remain under arrest during the trial.
(2) Where a sentence lower than that of imprisonment is passed by a Court, the arrested person may be released by his Commanding Officer pending confirmation of the finding and sentence:
Provided that the convening officer may rescind, vary or modify the order passed by a Commanding Officer under sub-rule (1) or sub-rule (2) and where no such order is passed by a commanding Officer, the convening officer may pass such order as it may deem proper:
Provided further that a person who has been sentenced to be dismissed shall not, except while on active duty, be put on any duty.