(1) The address of record used by the commissioner will be:
(a) For disciplinary orders, the last U.S. mailing address provided by the person or business entity to the commissioner;
(b) For all other matters, the last e-mail address provided by the person or business entity to the commissioner. This will be the e-mail address listed in the mailing address section of the commissioner's licensing date [data] base.
(2) Licensees must advise the commissioner of any change of address within thirty days after a change of address. This includes any change in the person's residence, mailing, business or e-mail address. Failure to advise the commissioner of a change of address may subject a licensee to disciplinary action under RCW 48.17.530 and 48.17.560.