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.
(Amended by Stats. 1969, Ch. 1611.)
Section 801.8
Code Civ. Proc. § 801.8, under Actions Concerning Real Property Titles Affected by Public Improvement Assessments.
Code Civ. Proc. § 801.8