Kan. Stat. § 25-309
When such certificate is filed with the secretary of state, he shall, in certifying nominations to the various county election officers, insert the name of the person thus nominated to fill vacancy in place of the original nominee; and in the event that he has already sent forward his certificate, he shall forthwith certify to the election officers of the proper counties the name and description of the person so nominated to fill the vacancy, the office he is nominated for, with the other details mentioned in certificates of nomination filed with the secretary of state. The names so supplied for the vacancy shall, if the ballots are not already printed, be placed on the ballots in place of the name of the original nominee; or, if the ballots have been printed, new ballots, whenever practicable, shall be furnished.
K.S.A. 25-309