The Electoral Commissioner must, as soon as possible after the ballot papers for an election have been prepared and printed, deliver or post to each elector entitled to vote at the election who is, at the close of nominations, a registered early voter (postal)--
(a) a postal vote certificate, in the approved form, printed on an envelope, and
(a1) if the envelope on which the postal vote certificate is printed is not addressed to the Electoral Commissioner--another envelope that is addressed to the Electoral Commissioner, and
(b) a ballot paper for the election.