Cal. Health & Safety Code § 33364

If no objections in writing have been delivered to the clerk of the legislative body prior to the hour set for the hearing thereon, and if no written objections are presented during the hearing thereon, the legislative body may proceed to adopt the plan at the time set for hearing thereon. If any written objections are delivered or presented, as specified in this article, the legislative body may adopt the plan only after consideration of the objections, and adoption of written findings in response thereto, pursuant to Section 33363 at a subsequent date not less than one week after the time the hearing on objections is commenced pursuant to Section 33363.