(1) As soon as practicable before the close of a poll by secret ballot, the returning officer for an election must give to each voter:
(a) a ballot-paper that is initialled by the returning officer; and
(b) an envelope that:
(i) is addressed to the returning officer; and
(ii) shows on its face that it relates to the election.
(2) The envelope given to a voter by a returning officer:
(a) may be pre-paid as to postage; and
(b) in that case -- may include on its face a statement by the returning officer that the envelope may be posted to the returning officer without expense to the voter.
(3) The returning officer must ensure that the ballot-paper and envelope are enclosed in a covering envelope that is sealed and addressed to the voter.