178A.— Where a charge against a person referred to in section 178(1) is to be investigated by a commanding officer, the person charged shall be entitled to receive, in the prescribed manner, at least 24 hours before the charge is to be so investigated—

(a) written notice in the prescribed form of the date on which and the time and place at which the charge is to be so investigated, and

(b) a copy of the charge sheet containing particulars of the offence concerned, a list of the witnesses who will be giving evidence against the person and copies of any available evidence to be given against the person and of any witness statements.]