What remedies are available in the first instance?
Switzerland
Article 79.(1) The cantonal government shall issue a decision on an appeal within ten daysof receipt of the appeal petition.
(2) If the cantonal government establishes,whether on the basis of the appeal or in the course of its own duties, thatthere have been irregularities, it shall issue the orders required to remedy the deficiencies established, ifpossible prior to the conclusion of the election or popular vote procedure.
2bis The cantonal government shall rejectany appeals on matters relating to popular votes or elections withoutconducting a detailed investigation if the irregularities complained of are notsufficient either in their nature or in their extent to have a materialinfluence on the result of the vote as a whole.
(3) The cantonal government shall give notice of its decision and anyrulings issued in accordance with Articles 34-38 and 61 paragraph 2 of theAdministrative Procedure Act 2 andshall notify the Federal Chancellery.
Federal Act of Political Rights of 17 December 1976 (Status as of 1January 2013)
http://www.admin.ch/opc/en/classified-compilation/19760323/index.html