038-5 Wyo. Code R. § 5-5
(a) Each Permittee shall have a Bookkeeper, approved by the Commission, whose duty it is to keep and preserve books which will reflect the deposits or other credits and withdrawals or other charges that may be made by an owner or other licensee. The Bookkeeper shall have an office at the track and the office shall be open on each racing day during the hours specified by the Commission. He must also furnish reports and information as may be required by the Commission or its representative.
(b) The Bookkeeper shall maintain a record which includes the information obtained from the Clerk of the Scales per Section 3(d), the "post time" of each race, running time of the race, the amount of the purse and its division, the placing of the first five horses as reported by the placing judges and the amounts of fees collected or charged. All rulings made by the Stewards and the original signed claims shall be attached to and become a part of the Bookkeeper's record.
(c) The Bookkeeper shall keep a complete record of all races and submit the record to the Racing Secretary and the Commission.
(d) The Bookkeeper may receive all stakes, forfeits, fines, entrance monies, fees (including jockey's fees), purchase money in claiming races and all other money that can properly come into his possession as agent for the Permittee for which he is acting.
(e) The Bookkeeper's office must be open at least one (1) hour immediately prior to post time of the first race of the day for receiving jockey mount money.
(f) The Horsemen's Bookkeeper shall pay over, when due, all monies collected by him to persons entitled to receive payment.
038-5 Wyo. Code R. § 5-5