(a) Provided that the building is conspicuously posted in accordance with rules and regulations adopted by the attorney general as a building where carrying an unconcealed firearm is prohibited, it shall be unlawful to carry an unconcealed firearm into such building.

(b) Nothing in this section shall be construed to prohibit a law enforcement officer, as defined in Kan. Stat. Ann. § 22-2202, and amendments thereto, from acting within the scope of such officer’s duties.

(c) It shall be a violation of this section to carry an unconcealed firearm if the building is posted in accordance with rules and regulations adopted by the attorney general pursuant to subsection (d). Any person who violates this section shall not be subject to a criminal penalty but may be subject to denial to such premises or removal from such premises.

(d) (1) The attorney general shall adopt rules and regulations prescribing the location, content, size and other characteristics of signs to be posted on a building where carrying an unconcealed firearm is prohibited pursuant to subsection (a). Such regulations shall prescribe, at a minimum, that:

(A) The signs be posted at all exterior entrances to the prohibited buildings;

(B) the signs be posted at eye level of adults using the entrance and not more than 12 inches to the right or left of such entrance;

(C) the signs not be obstructed or altered in any way;

(D) signs which become illegible for any reason be immediately replaced; and

(E) except as provided in paragraph (2), signs shall include the following, which shall be printed in large, conspicuous print: “The open carrying of firearms in this building is prohibited.”

(2) Such rules and regulations shall provide that the same signage used to prohibit the carrying of concealed handguns under Kan. Stat. Ann. § 75-7c01 et seq., and amendments thereto, may be used to also prohibit the carrying of unconcealed firearms.