Notwithstanding any other provision of law, the board of trustees may impose against an employer whose employees are not paid salaries from amounts appropriated by the General Appropriations Act and whose participation in the group benefits program begins after August 31, 2003, as a condition for participation in the program, a one-time assessment of administrative costs for participation of the employees and annuitants in the program, which may include the actuarial costs of including the group in the program and a participation premium determined by the board. The board of trustees shall deposit all amounts recovered under this section in the employees life, accident, and health insurance and benefits fund.