(a) The amount of credit life insurance and credit disability insurance shall not exceed, but, except as provided in subdivision (b), may be less than, the following:
(1) Credit Life Insurance. The initial amount of credit life insurance shall at no time exceed the unpaid amount financed plus earned interest. Where an indebtedness is repayable in substantially equal installments, the amount of insurance shall at no time exceed the greater of the scheduled or the actual unpaid amount financed plus earned interest. In the case of revolving loan or revolving charge accounts the insurance shall not at any time exceed the unpaid amount financed plus earned interest.
Notwithstanding the provisions of the above paragraph, the amount of insurance on agricultural or horticultural loan commitments may be equal to the amount of the loan commitment.
(2) Credit Disability Insurance. The total amount of periodic indemnity payable by credit disability insurance in the event of disability, as defined in the policy, shall not exceed the aggregate of the periodic scheduled unpaid installments of indebtedness, and the amount of each periodic indemnity shall not exceed the original indebtedness divided by the number of periodic installments.
(b) The amount of credit life and credit disability insurance may be less than the amounts specified in subdivision (a) except as provided by subdivision (a) of Section 18291, subdivision (e) of Section 22458.1, or subdivision (e) of Section 24458.1 of the Financial Code, or by any other provision of law specifically prohibiting credit life or credit disability insurance in some lesser amount.