(1)When in an election petition a declaration that any candidate other than the returned candidate has been duly elected is claimed, the returned candidate or any other party may give evidence to prove that the election of such candidate would have been void if he had been the returned candidate and a petition had been presented calling in question his election:Provided that the returned candidate or such other party, as aforesaid shall not be entitled to give such evidence unless he has, within fourteen days from the date of commencement of the trial, given notice to the court of his intention to do so and has also given the security and the further security referred to ain section 115 and 116 respectively.
