If it appears to the diocesan synod that the preceding rules in this Part relating to the membership of diocesan synods ought to be varied to meet the special circumstances of the diocese and to secure better representation of clergy or laity or both on the diocesan synod, they may make a scheme for such variation, and if the scheme comes into operation in accordance with the provisions hereinafter applied, the said rules shall have effect subject to the scheme:

. . . F2

Paragraphs (2) F3to (5) of rule F426 shall apply to schemes under this rule as it applies to schemes under that rule.