(1) employee contributions;

(2) self-employed individual contributions;

(3) employer contributions;

(4) money paid to the Fund for the purpose of reimbursing the Secretary under § 8.3-902 of this title for benefits paid in error;

(5) interest earned on money in the Fund; and

(6) money received for the Fund from any other source.

(b) Money in the Fund may be commingled.

(c) The Fund may be used only for the purposes of this title.