Kan. Stat. Ann. § 60-463
A statement within the scope of an exception to K.S.A. 60-460 shall not be inadmissible on the ground that it includes a statement made by another declarant and is offered to prove the truth of the included statement if such included statement itself meets the requirements of an exception.
L. 1963, ch. 303, 60-463; January 1, 1964.