11. When the respondent in a petition under the Law complaining of an undue return and claiming the seat for some person, intends to give evidence to prove that the election of such person was undue, such respondent shall, fourteen days before the day appointed for trial, deliver to the Chief Registrar, and also at the address, if any, given by the petitioner, a list of the objections to the election upon which he intends to rely, and the Chief Registrar shall allow inspection and office copies of such list to all parties concerned on payment of such fees as provided by the Rules of Court relating to fees and no evidence shall be given by a respondent of any objection to the election not specified in the list, except by leave of the Court or Judge, upon such terms as to amendment of the list, postponement of the inquiry, and payment of costs, as may be ordered.
11