The maximum rate of finance charge which may be imposed on amounts advanced by the holder subsequent to the execution of the contract for insurance, repairs to or preservation of the goods, or preservation of the holder’s security interest therein, shall not exceed the annual percentage rate disclosed pursuant to item (b) of Section 1803.3.
Source:
Section 1805.8, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV§ionNum=1805.8..