8.—(1) The envelope which the counting officer is required by rule 12 of the Referendum Rules to send to a postal voter for the return of the postal ballot paper and the postal voting statement (referred to as a “covering envelope”) must be marked with the letter “B”.
(2) In addition to the document referred to in sub-paragraph (1), the counting officer must send to a postal voter a smaller envelope (referred to as a “ballot paper envelope”) which must be marked with —
(a)the letter “A”;
(b)the words —
(i)“Ballot paper envelope”;
(ii)“Amlen papur pleidleisio”; and
(c)the number of the ballot paper.