Kansas Statutes Chapter 58. Personal and Real Property § 58-2573. Inapplicability of act

(a) Apply to or affect any valid rental agreement entered into prior to the effective date of this act, nor shall it apply to or affect any conduct or transaction of the parties to such rental agreement, if such conduct or transaction is in accordance with and pursuant to such rental agreement; but the provisions of this act shall apply to and govern any renewal, extension or modification of any such rental agreement, where such renewal, extension or modification is effected on or after the effective date of this act; or

(b) apply to any person or persons who enter and remain in a dwelling unit without a rental agreement and without the landlord's knowledge and such person knows that such person is not authorized or privileged to do so and an order to leave has been personally communicated to such person by the landlord. Such person or persons may be prosecuted pursuant to K.S.A. 21-5808, and amendments thereto.