Where, on a parliamentary election petition claiming the seat for any person, a candidate is proved to have been guilty by himself, or by any person on his behalf, of bribery, treating or undue influence in respect of any person who voted at the election there shall, on a scrutiny, be struck off from the number of votes appearing to have been given to the candidate one vote for every person who voted at the election and is proved to have been so bribed, treated or unduly influenced.

If any person who is guilty of a corrupt or illegal practice or of illegal payment, employment or hiring at an election votes at the election, his vote shall be void.

If any person who is subject under any enactment relating to corrupt or illegal practices to an incapacity to vote at a parliamentary election or an election to any F1elective office or to any public office in Scotland votes at that election, his vote shall be void.