290(1)In addition to the annual statement required to be filed under this Act, each society shall file with the Superintendent not later than the first day of May in each year a valuation of its certificates or contracts of insurance in force at the preceding thirty-first day of December, and such valuation shall be prepared having regard to the prospective liabilities of the society under its contracts and to the rates of contribution of members in force at the date of valuation and shall be made and certified by an actuary appointed by the society and shall include a valuation balance sheet in such form and detail as the Superintendent prescribes.