43.—(1) If the accused pleads guilty to a charge, the judge advocate shall, if it appears necessary to him and before he accepts the plea, satisfy himself that the accused understands—
(a)the nature of the charge;
(b)the general effect of the plea; and
(c)the difference in procedure following pleas of guilty and not guilty.
(2) The judge advocate shall not accept a plea of guilty if, having regard to all the circumstances, he considers that he should not accept the plea.
(3) Where—
(a)a plea of guilty is not accepted by the judge advocate; or
(b)the accused does not plead to the charge or does not plead to it intelligibly,
the judge advocate shall record a plea of not guilty.