Any notice required by this chapter must be in writing and may be given by personal service or by mail. In case of service by mail the notice must be deposited in the United States Post Office in a sealed envelope, with postage prepaid, addressed to the person to whom it is to be served, at his or her last known address as the same appears from the files of the Clerk. The service shall be deemed complete at the time of the deposit in the Post Office.
(1995 Code, § 5.64.020)