Wash. Admin. Code § 480-100-223
(1) The commission will not allow expenses for promotional or political advertising for rate-making purposes. The term "promotional advertising" means advertising to encourage any person or business to select or use the service or additional services of an electric utility, to select or install any appliance or equipment designed to use the electric utility's service, or to influence consumers' opinions of the electric utility.
The term "political advertising" means any advertising for the purpose of influencing public opinion with respect to legislative, administrative, or electoral matters, or with respect to any controversial issue of public importance.
(2) As used in this section, the terms "promotional advertising" and "political advertising" do not include:
[Statutory Authority: RCW 80.01.040 and 80.04.160. WSR 01-11-004 (Docket No. UE-990473, General Order No. R-482), § 480-100-223, filed 5/3/01, effective 6/3/01.]