17Judges: appointment
(1)The Court of Ecclesiastical Causes Reserved is constituted of five judges, appointed by Her Majesty.
(2)Two of the five judges must be persons each of whom—
(a)holds or has held high judicial office, and
(b)has made a declaration that he or she is a communicant.
(3)Three of the five judges must be persons each of whom is or has been a diocesan bishop.