Any incorporated society, order, or supreme lodge, without capital stock, including one exempted under the provisions of RCW 48.36A.370(1)(b) whether incorporated or not, conducted solely for the benefit of its members and their beneficiaries and not for profit, operated on a lodge system with ritualistic form of work, having a representative form of government, and which provides benefits in accordance with this chapter, is hereby declared to be a fraternal benefit society.