Montana Title 19. Public Retirement Systems § 19-18-501. Contributions to fund

(1) all bequests, fees, gifts, emoluments, donations, or money from other sources given or paid to the fund, except as otherwise designated by the donor;

(2) a monthly contribution to the fund by each paid or part-paid member of the association amounting to 6% of the member's regular monthly salary;

(3) the proceeds of the tax levy provided for in 19-18-504;

(4) all money received from the state, including those payments provided for in 19-18-512; and

(5) all interest and other income earned from the investment of the fund.