(1) A society shall operate for the benefit of members and their beneficiaries by:

(a) Providing benefits as specified in RCW 48.36A.160; and

(b) Operating for one or more social, intellectual, educational, charitable, benevolent, moral, fraternal, patriotic, or religious purposes for the benefit of its members, which may also be extended to others.

These purposes may be carried out directly by the society, or indirectly through subsidiary corporations or affiliated organizations.

(2) Every society may adopt laws and rules for the government of the society, the admission of its members, and the management of its affairs. It may change, alter, add to, or amend such laws and rules and has such other powers as are necessary and incidental to carrying into effect the objects and purposes of the society.