The mutuel manager shall be present on association grounds at all times that the association is conducting pari-mutuel wagers on a simulcast import. The mutuel manager shall:(1) before wagering is opened, proof the pools and entries available for wagering for accuracy;(2) advise the wagering public via the public address system of all matters required to be announced by the Rules;(3) make decisions on common pooling issues;(4) be responsible for the integrity of the pools wagered at the association's racetrack facilities; and(5) notify the pari-mutuel auditor of any problems occurring during simulcast wagering.