California Codes, Code of Civil Procedure - CCP, Part 2 — Of Civil Actions, Title 10 — Actions in Particular Cases, Chapter 4.6 — Actions Concerning Real Property Titles Affected by Public Improvement Assessments, Section 801.8
All known defendants shall be served in the manner provided by law for the service of a summons in a civil action. All unknown defendants shall be served by publication as provided in Section 750.
Notes
Requires known defendants to be served in the manner provided by law for service of summons in a civil action and requires unknown defendants to be served by publication under the specified publication provision. The required service method depends on whether the defendant is known or unknown.
Use as reference
Lexinter.net | California Code, Code of Civil Procedure - CCP § 801.8 | https://laws.lexinter.net/codes/california/code-of-civil-procedure/part-2/title-10/chapter-4-6/section-801-8