A new fourth substitute rule is set to be introduced at the Copa America Centenario in the United States.
Copa America Centenario organizers have confirmed a new fourth substitute rule will be implemented at the tournament, which gets underway on Friday.
The International Football Association Board (IFAB) released the 2016/17 Laws of the Game this week, which features several new regulations.
One of those to be implemented at the Copa America in the United States is the option of using a fourth substitute if a game heads into extra time.
However, as of the 2015 edition of the Copa, only the final of the tournament heads into extra time, with the quarterfinal and semifinal matches decided on penalties if the game is tied after 90 minutes.