Kansas Statutes Chapter 21. Crimes and Punishments § 21-5204. Culpable mental state; exclusions

(a) Of knowledge of the existence or constitutionality of the statute under which the accused is prosecuted, or the scope or meaning of the terms used in that statute; or

(b) that the accused had knowledge of the age of a minor, even though age is a material element of the crime with which the accused is charged.