038-5 Wyo. Code R. § 5-18
(a) The Commission shall employ a graduate veterinarian surgeon in good standing and licensed to practice under the laws of the State of Wyoming.
(b) He shall be present in the paddock to inspect all horses and shall perform other duties as shall be prescribed by the Stewards or the Commission. Adequate transportation for him shall be provided by the Permittee.
(c) He shall be responsible for securing specimens of urine and blood or any other specimens from any horse designated by the Stewards or by the Commission and shall maintain records for identification of specimens as required by the Commission.
(d) He shall be responsible for properly instructing his assistants in the performance of their duties.
(e) The Commission Veterinarian shall be considered an official of the Commission.
(f) The Commission Veterinarian must be present at the office of the Racing Secretary and/or Stewards' office prior to scratch time each racing day at a time designated by the Stewards to inspect any horses and report on their condition as may be requested by the Racing Secretary or Stewards.
(g) The Commission Veterinarian does not have the authority to scratch a horse but shall report to the Stewards his opinion of a horse's condition and his recommendations relative to scratching.
(h) No veterinarian employed by the Commission shall be permitted during the period of his employment to treat or prescribe for any horse participating in a pari-mutuel event, for compensation or otherwise, except in case of emergency in which case a full and complete report shall be made to the Stewards. No owner or trainer shall employ or pay compensation to the veterinarian during the period for which he is employed by the Commission.
(i) Veterinarians practicing at a race track or at any permitted event shall use one time disposable needles and shall dispose of them in an approved manner as directed by the Commission.
(j) No horse shall be destroyed on the grounds of a Permittee until it has been observed by the Official Veterinarian.
(k) The Commission Veterinarian and his assistants shall not wager on the outcome of any race at the event at which they are employed.
(l) The Commission Veterinarian shall be responsible for the posting of current medication guidelines as prescribed by the Commission.
038-5 Wyo. Code R. § 5-18