The game is played with a ball made of Wilson Exclusive Gameball Leather in four panels that shall be inflated to a pressure not less than 12 1/2 psi nor greater than 13 1/2 psi. The circumference of the long axis shall be not less than 27 ¾ inches nor greater than 28 1/4 inches. The circumference of the girth or short axis shall be not less than 20 7/8 inches nor greater than 21 1/8 inches. The length of the long axis shall be not less than 11 inches nor greater than 11 1/4 inches. The total weight of the ball shall not be less than 14 ounces nor greater than 15 ounces. The exposed laces shall be not more than 4 3/8 inches in length and 1 1/8 inches in width.
The ball shall be painted with 1-inch white stripes around the short axis, commencing 3 inches away from the point of greatest circumference of the short axis.
A minimum of seven balls shall be used in a game and changed at the discretion of the Referee. The balls shall be kept clean and in playable condition.
The official football for a Canadian Football League game shall be the Wilson CFL Official Game Ball, which shall be inscribed with the signature of the Commissioner.
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