SDCL § 12-22-26: Notice of intention to institute legislative contest--Time for service--Answer.

Any person who intends to contest the election of any person to either branch of the Legislature may within ten days after the official canvass of the votes, or within five days after final determination of a recount, if a recount has been had, give written notice to such other person of such contest, specifying the grounds of such contest. The person on whom such notice is served may within ten days after such service, serve on the person giving such notice an answer, admitting or denying the grounds alleged, and shall be deemed to admit any grounds not denied.