Washington Revised Code Title 19. Business Regulations--Miscellaneous § 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:

(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.