6(1)Subject to what follows, any person is capable of being appointed under this paragraph to vote as proxy for another (the “principal”) in the referendum.
(2)The principal cannot have more than one person at a time appointed as proxy to vote for him or her in the referendum.
(3)A person is capable of being appointed to vote as proxy only if—
(a)the person is not subject to any legal incapacity (age apart) to vote in the referendum in his or her own right, and
(b)the person is either a Commonwealth citizen or a citizen of the Republic of Ireland.
(4)Where the principal applies to the registration officer for the appointment of a proxy under this paragraph, the registration officer must make the appointment if the application meets the requirements prescribed by the relevant regulations and the officer is satisfied that the principal is or will be—
(a)registered in a relevant register, and
(b)entitled to vote by proxy in the referendum by virtue of an application under paragraph 4(2), (3) or (5)(b),
and that the proxy is capable of being, and willing to be, appointed.
(5)The appointment of a proxy under this paragraph is to be made by means of a proxy paper, in the form set out in Part 3 of this Schedule, issued by the registration officer.
(6)The appointment may be cancelled by the principal by giving notice to the registration officer and also ceases to be in force on the issue of a proxy paper appointing a different person under this paragraph to vote for the principal in the referendum.