Cal. Ins. Code § 10168.2
(c) With respect to contracts providing for flexible considerations, the minimum nonforfeiture amount at any time at or prior to the commencement of any annuity payments shall be equal to an accumulation up to that time at a rate of interest of 3 percent per annum of percentages of the net considerations (as hereinafter defined) paid prior to that time, decreased by the sum of (i) any prior withdrawals from or partial surrenders of the contract accumulated at a rate of interest of 3 percent per annum and (ii) the amount of any indebtedness to the company on the contract, including interest due and accrued, and increased by any existing additional amounts credited by the company to the contract.
The net considerations for a given contract year used to define the minimum nonforfeiture amount shall be an amount not less than zero and shall be equal to the corresponding gross considerations credited to the contract during that contract year less an annual contract charge of thirty dollars ($30) and less a collection charge of one dollar and twenty-five cents ($1.25) per consideration credited to the contract during that contract year. The percentages of net considerations shall be 65 percent of the net consideration for the first contract year and 871/2 percent of the net considerations for the second and later contract years. Notwithstanding the provisions of the preceding sentence, the percentage shall be 65 percent of the portion of the total net consideration for any renewal contract year which exceeds by not more than two times the sum of those portions of the net considerations in all prior contract years for which the percentage was 65 percent.
(d) With respect to contracts providing for fixed scheduled considerations, minimum nonforfeiture amounts shall be calculated on the assumption that considerations are paid annually in advance and shall be defined as for contracts with flexible considerations which are paid annually with two exceptions: