reg 30 Proceedings with four lay members
(1) A judge advocate may only give a direction under section 155(2A) if the judge advocate considers it necessary to do so, having regard to the expected length and location of the proceedings. (2) A direction may not be given under section 155(2A) after the commencement of the proceedings unless— (a) a direction under section 155(2A) was in effect when the proceedings commenced; (b) one or more lay members has been discharged under rule 35(4) (objections); and (c) there are three or fewer lay members remaining (including any waiting members). (3) A judge advocate may rescind a direction under section 155(2A) at any time before the commencement of the proceedings to which it relates.