Idaho Code § 30-27-127: dissolution.

An unincorporated nonprofit association may be dissolved as follows:

(1) If the governing principles provide a time or method for dissolution, at that time or by that method;

(2) If the governing principles do not provide a time or method for dissolution, upon approval by the members;

(3) If no member can be located and the association’s operations have been discontinued for at least three (3) years, by the managers or, if the association has no current manager, by its last manager.