California Code, Revenue and Taxation Code - RTC § 5086.2

If the cancellation of taxes under this article will result in a refund, the auditor shall either process the refund to the payer of the tax or notify the payer in writing of the requirements for obtaining a refund pursuant to Section 5097.  The notice shall state that the payer of the tax is entitled to a refund and that a claim for a refund shall be filed, pursuant to Section 5097, within 60 days of the date of the notice.

Notwithstanding Section 5097, a claim for a refund shall be deemed timely filed if it is filed within 60 days of the date of the notice.