(a) Except as otherwise provided by this section, a jockey engaged for a certain race or for a specified time may not fail or refuse to abide by the engagement agreement, unless excused by the stewards.
(b) A jockey may be excused by the stewards from fulfilling the jockey's riding engagements if:
  (1) the jockey believes the horse he or she is to ride is unsafe, or the racecourse he or she is to ride on is unsafe; or
  (2) the jockey is ill or injured.
(c) The stewards may require a jockey who is excused from fulfilling a riding engagement because of illness or injury to pass a physical examination conducted by a licensed physician before resuming race riding.
(d) A trainer or owner may demand a written confirmation of an engagement from a jockey or jockey agent.
(e) The stewards shall decide conflicting claims for the services of a jockey.

Source Note: The provisions of this §313.407 adopted to be effective August 30, 1989, 14 TexReg 4125; amended to be effective October 11, 1990, 15 TexReg 5704; amended to be effective October 30, 2000, 25 TexReg 10736