(1) Any law enforcement agency which seizes a legend drug pursuant to a violation of chapter 69.41 RCW, a controlled substance pursuant to a violation of chapter 69.50 RCW, or an imitation controlled substance pursuant to a violation of chapter 69.52 RCW, shall make a reasonable attempt to discover the identity of the landlord and shall notify the landlord in writing, at the last address listed in the property tax records and at any other address known to the law enforcement agency, of the seizure and the location of the seizure of the illegal drugs or substances.
(2) Any law enforcement agency which arrests a tenant for threatening another tenant with a firearm or other deadly weapon, or for some other unlawful use of a firearm or other deadly weapon on the rental premises, or for physically assaulting another person on the rental premises, shall make a reasonable attempt to discover the identity of the landlord and notify the landlord about the arrest in writing, at the last address listed in the property tax records and at any other address known to the law enforcement agency.