In addition to working smoke detectors, the licensee must have an additional method to sound an alarm that is used only in a fire, emergency situation or drill.
Wash. Admin. Code § 170-296A-2975
Statutory Authority: RCW 43.215.060, 43.215.070, and chapter 43.215 RCW. 11-23-068, § 170-296A-2975, filed 11/14/11, effective 3/31/12.