Perjury and false swearing — Irregularities no defense.
RCW 9A.72.070
in effectIt is no defense to a prosecution for perjury or false swearing: (1) That the oath was administered or taken in an irregular manner; or (2) That the person administering the oath lacked authority to do so, if the taking of the oath was required or authorized by law.
It is no defense to a prosecution for perjury or false swearing:
(1) That the oath was administered or taken in an irregular manner; or
(2) That the person administering the oath lacked authority to do so, if the taking of the oath was required or authorized by law.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=9A.72&full=trueFetched: 6/28/2026
