RCW 9.04.050

False, misleading, deceptive advertising.

It shall be unlawful for any person to publish, disseminate or display, or cause directly or indirectly, to be published, disseminated or displayed in any manner or by any means, including solicitation or dissemination by mail, telephone, electronic communication, or door-to-door contacts, any false, deceptive or misleading advertising, with knowledge of the facts which render the advertising false, deceptive or misleading, for any business, trade or commercial purpose or for the purpose of inducing, or which is likely to induce, directly or indirectly, the public to purchase, consume, lease, dispose of, utilize or sell any property or service, or to enter into any obligation or transaction relating thereto?