Cal. Health & Safety Code § 5473.2

At the time stated in the notice, the legislative body shall hear and consider all objections or protests, if any, to said report referred to in said notice and may continue the hearing from time to time. If the legislative body finds that protest is made by the owners of a majority of separate parcels of property described in the report, then the report shall not be adopted and the charges shall be collected separately from the tax roll and shall not constitute a lien against any parcel or parcels of land.