(a) Except as otherwise provided by this section, to be appointed to serve as a steward, an individual must:(1) have appropriate experience, as provided by subsection (b) of this section;(2) satisfactorily pass an optical examination conducted annually, indicating at least 20/20 vision, corrected, and the ability to distinguish colors;(3) agree to a complete background check to ensure the individual's integrity is above reproach;(4) satisfactorily pass a written examination prescribed by the executive secretary; and(5) demonstrate to the executive secretary's satisfaction that the individual's income from sources other than as a steward is unrelated to patronage of or employment by a licensee of the Commission.(b) To be appointed to serve as a steward, an individual must:(1) have served as an official at a race meeting recognized by the Commission or another racing jurisdiction; or(2) demonstrate to the satisfaction of the executive secretary that the individual has sufficient experience in a racing-related field to perform the duties of a steward.(c) The executive secretary shall administer the written examination for stewards. A passing grade for the written examination is 85%.