(1) In addition to any other requirement therefor under the Insurance Code, each insurer other than the State Accident Insurance Fund Corporation that issues workers’ compensation insurance policies to employers under ORS chapter 656 shall deposit with the Department of Consumer and Business Services an amount that is the greater of the following amounts:
(a) $100,000.
(b) An amount equal to the sum described in this paragraph less credits for approved reinsurance that the insurer may take under subsection (2) of this section. The sum under this paragraph is the sum of the following, computed as of December 31 next preceding in respect to workers’ compensation insurance policies written subject to ORS chapter 656:
(A) The aggregate of the present values at four percent interest of the determined and estimated future loss and loss-expense payments upon claims incurred more than three years next preceding the date of computation.
(B) The aggregate of the amounts computed under this subparagraph for each of the three years next preceding the date of computation. The amount for each year shall be 65 percent of the earned premiums for the year less all loss and loss-expense payments made upon claims incurred in the corresponding year, except that the amount for any year shall not be less than the present value at four percent interest of the determined and estimated future loss and loss-expense payments upon claims incurred in that year.
(2) Before an insurer may take a credit for reinsurance under subsection (1)(b) of this section, the reinsurer must deposit with the department an amount equal to the credit to be taken.
(3) An insurer may be allowed the credit referred to in subsection (1)(b) of this section only when the reinsurer has deposited with the department an amount equal to the credit.