1. A two-minute warning will be added to the first and third quarters and the ball will change hands after each quarter. 2. After the two-minute warning of each quarter, if the offense does not gain at least one yard, the game clock will stop and not start again until the next snap. 3. After an incomplete pass the game clock will start on the referee’s signal, except inside the last two minutes of the first half and the last five minutes of the second half. 4. A 35/25-second play clock will be used instead of the normal 40/25-second clock. 5. The game clock will not stop after a quarterback sack at any point during the game.