Referendum Act, 1994

The official mark.

25.—(1) A ballot paper shall at the time of issue be marked with an official mark (in this Act referred to as “the official mark”), which shall be either embossed or perforated so as to be visible on both sides of the paper and the local returning officer shall provide a sufficient number of marking instruments for this purpose.

(2) The local returning officer shall ensure that the official mark is kept secret before the taking of the poll and that any particular mark is not used at two consecutive referenda (other than referenda the polls at which are taken on the same day) in the constituency.