(1) Any employee cooperative may establish through its articles of incorporation or bylaws a system of internal capital accounts to reflect the book value and to determine the redemption price of membership shares, capital stock, and written notices of allocation.

(2) The articles of incorporation or bylaws of an employee cooperative may permit the periodic redemption of written notices of allocation and capital stock, and must provide for recall and redemption of the membership share upon termination of membership in the cooperative. No redemption shall be made if redemption would result in a violation of RCW 23B.06.400.

(3) The articles of incorporation or bylaws may provide for the employee cooperative to pay or credit interest on the balance in each member's internal capital account.

(4) The articles of incorporation or bylaws may authorize assignment of a portion of retained net earnings and net losses to a collective reserve account. Earnings assigned to the collective reserve account may be used for any and all corporate purposes as determined by the board of directors.