2005 Washington Revised Code RCW 19.190.020: Unpermitted or misleading electronic mail — Prohibition.

(1) No person may initiate the transmission, conspire with another to initiate the transmission, or assist the transmission, of a commercial electronic mail message from a computer located in Washington or to an electronic mail address that the sender knows, or has reason to know, is held by a Washington resident that:

     (a) Uses a third party's internet domain name without permission of the third party, or otherwise misrepresents or obscures any information in identifying the point of origin or the transmission path of a commercial electronic mail message; or

     (b) Contains false or misleading information in the subject line.

     (2) For purposes of this section, a person knows that the intended recipient of a commercial electronic mail message is a Washington resident if that information is available, upon request, from the registrant of the internet domain name contained in the recipient's electronic mail address.

[1999 c 289 § 2; 1998 c 149 § 3.]