Wash. Rev. Code § 9.41.330
(2) In determining whether to require the person to register, the court shall consider all relevant factors including, but not limited to:
(3) When a person is convicted of a felony firearm offense or found not guilty by reason of insanity of any felony firearm offense that was committed in conjunction with any of the following offenses, the court must impose a requirement that the person comply with the registration requirements of RCW 9.41.333:
[ 2016 c 94 s 1; 2013 c 183 s 3.]