At any time no later than the time set for hearing, any owner of real property within the proposed district may file with the clerk, a written protest to the formation of the district. A written protest shall contain a description of the land by lot, tract, and map number and shall be signed by the owner.
Source:
Section 26569.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PRC§ionNum=26569.1..