Provides that a person shall not be charged, subject to civil forfeiture, or otherwise prosecuted for a violation of chapter 69.50 RCW if: (1) The person was a witness to a drug overdose;

(2) The person reasonably believed that the overdose would result in an imminent threat to the health or life of the overdose victim;

(3) The person reported the drug overdose to law enforcement or summoned medical assistance at the time it was witnessed; and

(4) All evidence of the specific violation was gained as a result of the person's report.

Does not apply to prosecutions under RCW 69.50.415.

Does not apply to prosecutions where the person who reported the overdose sold the drugs to the victim.