Electronic dog retrieval collars containing functioning treeing switches (devices consisting of a mercury switch mechanism that results in a change in the transmitted signals when the dog raises its head to a treed animal) are prohibited.
Wash. Admin. Code § 220-413-190
Statutory Authority: RCW 77.12.040. 99-17-034 (Order 99-118), § 232-28-259, filed 8/11/99, effective 9/11/99; 95-18-071 (Order 95-125), § 232-28-259, filed 9/1/95, effective 1/1/96.