No driver or trainer shall be allowed to drive in any race or public performance or to otherwise appear on the race track during the racing program unless wearing his or her own or his or her owner's registered colors, and no driver may appear in colors registered in the name of another, without the special permission of the presiding judge. No driver or trainer wearing colors may appear at any betting booth or window at a race track, or at any bar or restaurant dispensing alcoholic beverages. “Colors” shall include white trousers and rain gear of a type approved by the commission.