A. Whenever a notice and order is required to be given under this code for enforcement purposes, the notice and order shall be served by any of the following methods unless different provisions are otherwise specifically stated to apply:
1. Personal service; or
2. Posting the notice and order conspicuously on or in front of the property, and simultaneously mailing the notice and order by both certified mail, return receipt requested, and first class mail. If a notice and order that is sent by certified mail is returned unsigned, then service shall be deemed effective pursuant to first-class mail, provided the notice and order sent by first-class mail is not returned. Service by certified or regular mail shall be deemed effective on the date of mailing; or
3. If service cannot be effected as set forth in subsections (A)(1) and (A)(2) of this section, service may be made by publication in the official newspaper of the city in conformance with Government Code Section 6063.
B. Proof of service of the notice and order shall be certified to at the time of service by a written declaration under penalty of perjury executed by the person effecting service, declaring the time, date and manner in which service was made. The declaration, together with any receipt returned in acknowledgment of receipt by certified mail shall be affixed to the copy of the notice and order retained by the department in charge of enforcement.
C. The failure of any person entitled to receive a notice and order shall not affect the validity of any proceedings taken under this code. (Ord. 2006-070 § 1)