Requires a firearms dealer to report information to the Washington state patrol when the dealer denies an application for the purchase or transfer of a firearm as the result of a background check.

Requires the Washington state patrol to: (1) Maintain a database that consists of the information received from a firearms dealer; and

(2) Investigate denied firearm purchase or transfer applications.

Requires the Washington association of sheriffs and police chiefs to create and operate a statewide automated protected person notification system.

Provides that this act is null and void if appropriations are not approved.