(A) All sellers' and cashiers' windows in mutuel departments of permit holders shall be numbered and the number designating each window shall be displayed at such window in direct view of patrons. In addition, the mutuel clerk at each window shall wear a name tag which properly identifies himself/herself and which is readily readable by any person with normal eyesight.
(B) A single mutuel ticket, with a total purchase value of one hundred dollars or more to win on any individual horse, shall only be cancelled within six transactions from the time it was issued and only at the window at which it was sold. Such tickets beyond six transactions shall be referred to the mutuel manager or his/her designee. The mutuel manager or the designee shall provide the racing commission with a written explanation if the single mutuel ticket is cancelled.