K.S.A. 65-4943

A "do not resuscitate" directive shall be: (a) In writing; (b) signed by the person making the declaration, or by another person in the declarant's presence and by the declarant's expressed direction; (c) dated; and (d) signed in the presence of a witness who is at least 18 years of age and who shall not be the person who signed the declaration on behalf of and at the direction of the person making the declaration, related to the declarant by blood or marriage, entitled to any portion of the estate of the declarant according to the laws of intestate succession of this state or under any will of the declarant or codicil thereto, or directly financially responsible for declarant's medical care.