File your application for extended benefits by using the department's online services or by placing a telephone call to the department. The commissioner can authorize other filing methods in unusual circumstances or for the convenience of the department.
Wash. Admin. Code § 192-240-015
Statutory Authority: RCW 50.12.010 and 50.12.040. 03-06-038, § 192-240-015, filed 2/26/03, effective 3/29/03.