California Code
ARTICLE 5 - Annexation
Section 4898.

4898. The board shall cause notices of the hearing to be posted in at least three conspicuous places in the territory proposed to be annexed and in at least three conspicuous places in the district. However, if the territory proposed to be annexed is in more than one existing district the notices shall be posted in at least three conspicuous places in each district in which is situated any of the territory proposed to be annexed.

(Enacted by Stats. 1939, Ch. 60.)