Civil Code section 1810.1
(a)
The conditions under which a finance charge may be imposed, including an explanation of the time period, if any, within which any credit extended may be paid without incurring a finance charge.(b)
The method of determining the balance upon which a finance charge may be imposed.(c)
The method of determining the amount of the finance charge, including the method of determining any minimum, charge which may be imposed as a finance charge.(d)
Where one or more periodic rates may be used to compute the finance charge, each such rate, the range of balances to which it is applicable, and the corresponding annual percentage rate determined by multiplying the periodic rate by the number of periods in a year.(e)
The conditions under which any other charges may be imposed, and the method by which they will be determined.(f)
The conditions under which the creditor may retain or acquire any security interest in any property to secure the payment of any credit extended on the account, and a description or identification of the type of the interest or interests which may be so retained, or acquired.(g)
The minimum periodic payment required.
Source:
Section 1810.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV§ionNum=1810.1.
(accessed May 14, 2025).