Filling of casual vacancies

All casual vacancies among the members (other than ex-officio members) of any authority or other body of the University shall be filled, as soon as may be, by the person or body who appoints, select or co-opts the member, whose place has become vacant, and the person appointed, selected or co-opted to a Casual vacancy shall be a member of such authority or body for the residue of the term for which the person whose place he fills would have been a member.