When a ball carrier is tackled or exits the field of play within the end zone being defended by his team, the result is a safety and the opposing team is awarded two points, and receives the ball after a free kick taken at the twenty-yard line. (This does not apply if the ball carrier secures possession of the ball in the end zone as a result of an interception or a kick; in that case, no points are awarded and the play is considered a touchback.) In Canadian football, if a scrimmage kick (punt or missed field goal attempt) is kicked into the end zone and the opponent does not advance it out, the kicking team is awarded a single, worth one point.