(1)If before the trial of an election petition a respondent other than a returning officer—
(a)gives the prescribed notice that he does not intend to oppose the petition or dies, or
(b)where the petition questions a parliamentary election or return, is summoned to Parliament as a peer by a writ issued under the Great Seal of the United Kingdom or the House of Commons have resolved that his seat is vacant, or
(c)where the petition questions an election under the local government Act, resigns or otherwise ceases to hold the office to which the petition relates,
notice of any of those matters shall be given in the constituency or local government area to which the petition relates, and, within the prescribed time after the notice is given, any person who might have been a petitioner in respect of the election may apply to a member of the election court or to the High Court to be admitted as a respondent to oppose the petition, and shall be admitted accordingly, except that the number of persons so admitted shall not exceed three.
(2)The notice to be given under subsection (1) above in any local government area shall be such as may be prescribed.
(3)A respondent who has given the prescribed notice that he does not intend to oppose the petition shall not be allowed to appear or act as a party against the petition in any proceedings on the petition, and if the petition relates to a parliamentary election he shall not sit or vote in the House of Commons until the House of Commons has been informed of the report on the petition.
(4)Where a respondent to a parliamentary election petition has given that notice in the prescribed time and manner, the High Court or either of the judges constituting the election court shall report that fact to the Speaker.
(5)In the application of this section to an election of councillors in Scotland, the reference to the High Court shall be omitted and the sheriff may act instead of the election court.