any kick that hits and stays inside the landing Zone has to be returned and any kick that hits the landing Zone but then bounces into the end zone the return team can choose to either return the kick for regular yardage or they can choose to down the ball inside the end zone for a Touchback in the result of a Touchback in this situation the receiving team will gain possession at the 20 yd line now if the kicked ball enters the end zone through the air meaning that it doesn't bounce in the landing Zone first then the receiving team can either return it or down it if downed in this situation this will result in a Touchback and the football will be placed at the 30 yd line now if the ball goes out of the back of the end zone Untouched by any player whether it's through the air or by bouncing then the receiving team will be rewarded a Touchback and the football will automatically be placed at the 30 yd line additionally if the football is kicked too short and the ball fails to reach the landing Zone before touching the ground