Article 16 Methods of instituting reference
A reference may be instituted by sending to the registrar either—
(a)
a joint submission substantially in Form C signed by all the persons interested; or
(b)
an ex parte notice of reference substantially in Form D signed by a person interested and by any other person interested whose interests in the questions submitted for reference are substantially the same (together hereinafter called “the originating party”), and of which a duplicate copy has on the day of the date thereof been sent by the originating party to each of the other persons interested.