SECTION 3. The Ball
ARTICLE 1. Specifications
The ball shall meet the following specifications:
- New or nearly new. (A nearly new ball is a ball that has not been altered and retains the properties and qualities of a new ball.)
- Cover consisting of four panels of pebble-grained leather without corrugations other than seams.
- One set of eight equally spaced lacings.
- Natural tan colour.
- Two 1-inch white stripes that are 3 to 3¼ inches from the end of the ball and located only on the two panels adjacent to the laces.
- Conforms to maximum and minimum dimensions and shape indicated in the accompanying diagram. (Exception: The competition authority may authorise the use of a smaller ball for competitions involving female or junior players.)
- Inflated to the pressure of 12½ to 13½ pounds per square inch (psi).
- Weight of 14 to 15 ounces.
- The ball may not be altered. This includes the use of any ball-drying or ball-warming substance. Mechanical ball-drying and ball-warming devices are not permitted near the sidelines or in the team area.
ARTICLE 2. Administration and Enforcement
- The game officials shall test and be sole judge of not fewer than three and not more than six balls offered for play before and during the game. The game officials may approve additional balls if warranted by conditions.
- Home management shall provide a pressure pump and measuring device.
- The home team is responsible for providing legal balls and should notify the opponent of the ball to be used.
- During the entire game, either team may use a new or nearly new ball of its choice when it is in possession, providing the balls meets the required specifications and has been measured and tested according to rule. (Exception: the official NCAA football shall be used for the Division I Football Championship Subdivision, II and III championships.
- The visiting team is responsible for providing the legal balls it wishes to use while it is in possession if the balls provided by the home team are not acceptable.
- All balls to be used must be presented to the referee for testing at least 60 minutes before the start of the game. Once the teams have presented the game balls to the referee, they remain under the general supervision of the officials throughout the game.
- When the ball becomes dead outside the nine-yard marks/top of numbers, is unfit for play, is subject to measurement in a side zone or is inaccessible, a replacement ball shall be obtained from a ball person. (A.R. 1-3-2:I)
- The referee or umpire shall determine the legality of each ball before it is put in play.
- The following procedures shall be used when measuring a ball:
- All measurements shall be made after the ball is legally inflated.
- The long circumference shall be measured around the ends of the ball but not over the laces.
- The long diameter shall be measured with callipers from end to end but not in the nose indentation.
- The short circumference shall be measured around the ball, over the valve, over the lace, but not over the cross lace.
Approved ruling 1-3-2
On fourth down, kicker A1 enters the field with an approved game ball and asks the referee to substitute it for the ball used during the previous down. RULING: Substitution of the ball is not permitted.[Cited by 1-3-2-f]