60-418. Oath. Every witness before testifying shall be required to express his or her purpose to testify by the oath or affirmation required by law. History: L. 1963, ch. 303, 60-418; January 1, 1964. Source or prior law: G.S. 1868, ch. 80, § 339; L. 1909, ch. 182, § 345; R.S. 1923, 60-2829. Cross References to Related Sections: Form and administration of oath, see chapter 54. Law Review and Bar Journal References: Application of section to proceedings in juvenile court questioned, Richard H. Seaton, 16 K.L.R. 277, 282 (1968). "The New Kansas Law Regarding Admissibility of Child-Victim Hearsay Statements," G. Joseph Pierron, 52 J.K.B.A. 88, 89 (1983). CASE ANNOTATIONS Prior law cases, see G.S. 1949, 60-2829 and the 1961 Supp. thereto. 1. Prosecutor's comments regarding witness changing from oath at preliminary hearing to affirmation at trial reversible error. State v. Rodriquez-Garcia, 23 Kan. App. 2d 847, 849, 855, 937 P.2d 446 (1997).