Cal. Sts. & High. Code § 18130

If redemption of the land is made after such affidavit is filed, and more than 11 months from the date of sale, the person making such redemption shall pay, in addition to the other amounts required, three dollars ($3) for the service of notice and the making of such affidavit, which amount shall be paid over to the purchaser or his assignee in the same manner as other sums paid for redemption. No deed for any land sold for delinquent assessments shall be delivered by the tax collector until the purchaser or his assignee has complied with all the provisions of this chapter and filed the proper affidavit with the tax collector.