Cal. ELEC § 8024

Notwithstanding Section 8020 or any other provision of the law, if nomination documents for an incumbent officer of a county are not delivered by 5 p.m. on the 88th day before the direct primary election, or are delivered but then are withdrawn before 5 p.m. on the 88th day before the direct primary election, any person other than the person who was the incumbent on the 88th day shall have until 5 p.m. on the 83rd day before the election to file nomination documents for the elective office. This section is not applicable where there is no incumbent eligible to be elected.