American Football NCAA Rule 1-2-4-a-e
a. On each side of the field, a team area in back of the limit line and between the 20-yard lines shall be marked for the exclusive use of substitutes, athletics trainers and other persons affiliated with the team. The front of the coaching box shall be marked with a solid line six feet outside the sideline between the 20-yard lines. The area between the coaching line and the limit line between the 20-yard lines shall contain white diagonal lines or be marked distinctly for use of coaches (Rule 9-2-5). A 4-inch-by-4-inch mark is mandatory at each five-yard line extended between the goal lines as an extension of the coaching line for line-to-gain and down indicator six-foot reference points.
b. The team area shall be limited to squad members in full uniform (see Appendix D) and a maximum of 50 other individuals directly involved in the game. All persons in the team area are subject to the rules and are governed by decisions of the officials (Rule 1-1-6). The 50 individuals not in full uniform shall wear special team area credentials numbered 1 through 50. No other credentials are permitted. Medical personnel are exempted from the 50-credential limit and should have a separate, distinct pass.
c. Coaches are permitted in the coaching box (see Appendix D), which is the area bounded by the limit line and coaching line between the 20-yard lines.
d. No media personnel, including journalists, radio and television personnel, or their equipment, shall be in the team area or coaching box, and no media personnel shall communicate in any way with persons in the team area or coaching box. In stadiums where the team area extends to the spectator seating area, a pass-through area should be made available for media to move from one end of the field to the other on both sides of the field.
e. Game management personnel shall remove all persons not authorized by rule.
f. Practice kicking nets are not permitted outside the team area (Exception: In stadiums where playing enclosures are limited in size, nets, holders and kickers are permitted outside the team area and outside the limit line) (Rule 9-2-1-b-1).