Section 783.03 - Issues of fact; election cases, trial of(1) Issues of fact in mandamus proceedings instituted in the supreme court shall be tried in the circuit court of the county within which the cause of action arose or in such other county as the supreme court, for cause shown, may order, and the circuit courts may try the issues of fact and may summon a jury for that purpose and prescribe the manner of summoning the jury.(2) In mandamus against a board of canvassers in the supreme court to compel the execution and delivery of a certificate of election to any person claiming to have been elected state senator or member of the assembly, or United States senator or representative in congress, or presidential elector, the court may if deemed necessary inquire into the facts of such election, irrespective of the election returns, and determine who received the greater number of legal votes cast, and the certificate issued in pursuance of such determination shall be the only lawful certificate of election to such office, and any other certificate of election to the same office shall be null and void. Such issue of fact may be tried as hereinbefore provided or according to such rules as the court may prescribe.1977 c. 449; 1979 c. 32 s. 60; Stats. 1979 s. 783.03; 1993 a. 184.