States that, in a prosecution under chapter 9A.40 RCW (kidnapping, unlawful imprisonment, custodial interference, luring, trafficking, and coercion of involuntary servitude) in which the offense or degree of the offense depends on the victim's age, it is not a defense that the perpetrator did not know the victim's age or that the perpetrator believed the victim to be older.

Changes the following crimes from a class C felony to a class B felony: (1) Second degree possession of depictions of a minor engaged in sexually explicit conduct;

(2) Second degree dealing in depictions of a minor engaged in sexually explicit conduct; and

(3) Second degree sending or bringing into the state depictions of a minor engaged in sexually explicit conduct.