C-72.1, r. 4 - Rules respecting Standardbred horse races held at a professional race track

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28. When a licence holder is carrying on the occupation, function or business activity for which a licence was issued to him, he shall have that licence in his possession and show it when so requested by a racing judge, another racing official, a security agent or a person authorized by the board.
Decision 90-09-19, s. 28.