The provisions of this section and §§ 24.2-808 through 24.2-813 govern contests conducted pursuant to §§ 24.2-805 and 24.2-806. The contest shall be initiated only by a written complaint of one or more of the unsuccessful candidates. The complaint shall contain (i) objections to the eligibility of the contestee based on specific allegations, (ii) objections to the conduct or results of the election accompanied by specific allegations which, if proven true, would have a probable impact on the outcome of the election, or (iii) both. In an election of electors for the President and Vice President of the United States, the presidential candidate shall represent the vice presidential candidate and slate of electors and be the party to the contest for purposes of this article.