(a) All official workouts must be supervised by the following officials, who must be licensed and approved by the executive director:
  (1) a timer/clocker;
  (2) a horse identifier; and
  (3) a starter, and an assistant starter;
  (4) two outriders to address track safety issues.
(b) The person riding a horse in an official workout must hold a valid Commission license as a jockey, apprentice jockey, or exercise rider, or as the trainer or assistant trainer of the horse.
(c) The horse identifier shall identify each horse before each official workout. The original registration papers for each horse that is to work, or a copy that satisfies the horse identifier, must be submitted to the horse identifier before the horse's initial workout at the facility to permit the identifier to record the horse's color, gender, markings, and tattoo number, if applicable. The horse identifier shall inspect all documents of ownership, registration, or breeding necessary to ensure the proper identification of the horse. The identification procedures used at the training facility are subject to the approval of the executive director.
(d) A training race conducted at a licensed pari-mutuel racetrack may be used as an official workout. The distance of an official workout must be at least:
  (1) 220 yards for a quarter horse;
  (2) two furlongs, for a two-year old thoroughbred; and
  (3) three furlongs, for a thoroughbred three years of age or older.
(e) A workout must be timed on a stopwatch that is accurate to within .01 of a second. Times for quarter horses shall be rounded to tenths of one second and times for thoroughbred horses shall be rounded to fifths of one second.
(f) An individual may not ride a horse in an official workout unless the individual is wearing a properly fastened helmet of a type approved by the executive director.
(g) Each official workout must be recorded on a form prescribed by the executive director. Not later than 24 hours after the day of an official workout, a training facility shall transmit the results of the workout to:
  (1) the official past performance publisher;
  (2) the executive director; and
  (3) each pari-mutuel horse racetrack in this state that is:
    (A) conducting a live race meeting for the same breed of horse as the horse that was worked; or
    (B) will, in 45 days or less after the date of the workout, commence a live race meeting for the same breed of horse as the horse that was worked.
(h) A horse may not have more than one official workout on a calendar day.

Source Note: The provisions of this §313.505 adopted to be effective January 1, 1994, 18 TexReg 9102; amended to be effective October 30, 2000, 25 TexReg 10737; amended to be effective April 4, 2005, 30 TexReg 1628; amended to be effective January 5, 2010, 35 TexReg 93; amended to be effective March 27, 2024, 49 TexReg 1913