41.—(1) This regulation applies if a voter has inadvertently dealt with his or her ballot paper in a manner which means that it cannot conveniently be used as a ballot paper and—
(a)the voter delivers the ballot paper (referred to in this Part as “a spoilt ballot paper”) to the presiding officer, and
(b)proves the fact of the inadvertence to the satisfaction of the officer.
(2) The voter may obtain a replacement ballot paper and the spoilt ballot paper must be cancelled immediately.