The Fund consists of: employee contributions; self–employed individual contributions; employer contributions; application and application renewal fees paid as required in regulations adopted under § 8.3–705(b)(3) of this title; money paid to the Fund for the purpose of reimbursing the Secretary under § 8.3–902 of this title for benefits paid in error; money collected under: § 8.3–903(1) of this title for assessed contributions and interest for an employer’s or a self–employed individual’s failure to pay contributions; and § 8.3–906(a)(1)(iii) of this title for the Department’s costs of an appeal against an employer or insurer; interest earned on money in the Fund; and money received for the Fund from any other source. Money in the Fund may be commingled. Subject to paragraph (2) of this subsection, the Fund may be used only for the purposes of this title. Fees paid into the Fund under subsection (a)(4) of this section may be used only for administrative purposes of the Program.