Opportunity to Score
ARTICLE 2. A try is an opportunity for either team to score one or two points while the game clock is stopped after a touchdown or in the third or subsequent extra period(s). It is a special interval in the game which, for purposes of penalty enforcement only, includes both a down and the “ready’’ period that precedes it.
b. The try, which is a scrimmage down, begins when the ball is ready for play.