Indiana Code Title 33. Courts and Court Officers § 33-38-6-12

(1) each participant's contribution to the fund;

(2) gifts, grants, devises, and bequests in money, property, or other forms made to the fund;

(3) interest on investments or on deposits of the funds;  and

(4) contributions or payments to the fund made in the manner provided by the general assembly, including appropriations from the state general fund as provided by this chapter.