Washington Revised Code Title 48. Insurance § 48.09.090. Additional kinds of insurance

A domestic mutual insurer may be authorized to transact kinds of insurance in addition to that for which it was originally authorized, if it has otherwise complied with the provisions of this code therefor, and while it possesses and maintains surplus funds in aggregate amount not less than the minimum amount of capital and surplus required under this code of a domestic stock insurer authorized to transact like kinds of insurance pursuant to RCW 48.05.340.