(a) The Board shall, in accordance with Section 15, have the power to revoke or suspend an occupation license, and the steward or judges at a race meeting shall have the power to suspend an occupation license of any horse owner, trainer, harness driver, jockey, agent, apprentice, groom, stable foreman, exercise boy, veterinarian, valet, blacksmith or concessionaire whose work, in whole or in part, is conducted at facilities within the State, or to determine the eligibility for employment at a wagering facility of a pari-mutuel clerk, parking attendant or security guard. The Illinois Administrative Procedure Act shall not apply to the actions of the Board or of the stewards or judges at a race meeting, and those actions shall instead be subject to the procedures outlined in subsections (b) through (e) of this Section. The Board may refuse to issue or may suspend the occupation license of any person who fails to file a return, or to pay the tax, penalty or interest shown in a filed return, or to pay any final assessment of tax, penalty or interest, as required by any tax Act administered by the Illinois Department of Revenue, until such time as the requirements of any such tax Act are satisfied.