Kan. Stat. Ann. § 21-6111
The proprietor or other person in charge of the premises of a public place, or other area where smoking is prohibited, shall post or cause to be posted in a conspicuous place signs displaying the international no smoking symbol and clearly stating that smoking is prohibited by state law.
L. 1987, ch. 110, § 3; L. 2010, ch. 8, § 4; July 1.