8.—(1) Rule 31 (warrant officers) is amended as follows.
(2) In the heading after “Warrant officers”, insert “and OR-7s”.
(3) In paragraph (1)—
(a)for “warrant officers” substitute “warrant officers or OR-7 ranks”;
(b)for “two” substitute—
“—
(a)one, if there are three or four lay members; or
(b)two, if there are five or six lay members.”; and
(c)after paragraph (1) insert—
“(1A) The number prescribed by paragraph (1) may consist of, or include no more than, one OR-7 rank if every person to whom the proceedings relate is of or below that rank or rate.”.