Kan. Stat. Ann. § 60-444
This article shall not be construed to (a) exempt a juror from testifying as a witness to conditions or occurrences either within or outside of the jury room having a material bearing on the validity of the verdict or the indictment, except as expressly limited by K.S.A. 60-441; (b) exempt a grand juror from testifying to testimony or statements of a person appearing before the grand jury, where such testimony or statements are the subject of lawful inquiry in the action in which the juror is called to testify.
L. 1963, ch. 303, 60-444; January 1, 1964.