The commission shall assign a track steward and as many inspectors as it deems necessary to each race meeting. The track steward shall be the principal representative of the commission at such meeting. The track steward shall have general supervision over all State and association racing officials, inspectors, licensees and appointees of the commission assigned or engaged at such meeting. The track steward shall supervise the licensing procedure at such race track. The track steward shall supervise the conduct of the racing and of the pari-mutuel department. If necessary, the track steward may act in place of an official, or as an additional official or may appoint a substitute official at such race meeting. The track steward shall have the authority to conduct inquiries and in connection therewith to issue subpoenas to compel the attendance of witnesses, and the production of all relevant and material reports, books, papers, documents, correspondence and other evidence. The track steward shall have the power to administer oaths and examine witnesses and shall submit a report of all proceedings thereon. The inspectors assigned to each meeting shall carry out such duties as are assigned by the track steward.