The fees paid into the state treasury under this chapter, except for fees and funds collected for the Literary Fund, shall be deposited into a special fund and specifically accounted for and used by the Commission to defray the costs of supervising, implementing, and administering the provisions of this chapter, Chapters 5 (§ 13.1-501 et seq.) and 8 (§ 13.1-557 et seq.) of Title 13.1, and Chapter 7 (§ 59.1-93 et seq.) of this title. Included in the Commission’s costs shall be a reasonable margin in the nature of a reserve fund. All excesses of fees collected exceeding these costs shall revert to the general fund.