RCW 9A.72.020
Perjury in the first degree.
(1) A person is guilty of perjury in the first degree if in any official proceeding he or she makes a materially false statement which he or she knows to be false under an oath required or authorized by law.
(2) Knowledge of the materiality of the statement is not an element of this crime, and the actor's mistaken belief that his or her statement was not material is not a defense to a prosecution under this section.
(3) Perjury in the first degree is a class B felony.
[ 2011 c 336 § 391; 1975 1st ex.s. c 260 § 9A.72.020.]
Structure Revised Code of Washington
Title 9A - Washington Criminal Code
Chapter 9A.72 - Perjury and Interference With Official Proceedings.
9A.72.020 - Perjury in the first degree.
9A.72.030 - Perjury in the second degree.
9A.72.050 - Perjury and false swearing—Inconsistent statements—Degree of crime.
9A.72.060 - Perjury and false swearing—Retraction.
9A.72.070 - Perjury and false swearing—Irregularities no defense.
9A.72.080 - Statement of what one does not know to be true.
9A.72.090 - Bribing a witness.
9A.72.100 - Bribe receiving by a witness.
9A.72.110 - Intimidating a witness.
9A.72.120 - Tampering with a witness.
9A.72.130 - Intimidating a juror.