(3)The counsel, who appears before a Court-Martial on behalf of the prosecutor or accused, shall have the same right as the prosecutor or accused for whom he appears, to call and orally examine, cross-examine and re-examine witnesses, to make an objection or statement, to address the Court, to put in any plea and to inspect the proceedings and shall have the right otherwise to act in the course of the trial in the place of the person on whose behalf he appears, and he shall comply with these rules as if he were that person, and in such case that person shall not have the right himself to do any of the above matters except as regards the statement allowed by sub-rule (3) of rule 62 of sub-rule (2) of rule 66 or except so far as the Court permits him so to do.