If, on receipt of a notice under section 6, the prescribed authority certifies in the prescribed manner to the Court in which the proceeding is pending that the soldier in respect of whom the notice was given is serving under special conditions, and that a postponement of the proceeding in respect of the soldier is necessary, in the interests of justice, the Court shall thereupon postpone the proceeding in respect of the soldier for the prescribed period, or, if no period has been prescribed, for such period as it thinks fit.