ELEC § 103

A voter who has signed an initiative, referendum, or recall petition pursuant to the Constitution or laws of this state shall have their signature withdrawn from the petition upon filing a written request that includes the name or title of the petition and the voter’s name, residence address, and signature with the appropriate county elections official or city elections official prior to the day the petition is filed. A written request made under this section shall not constitute a petition or paper for purposes of Section 104.