NFHS Rule 1-6
ART. 1 . . . Communication devices including but not limited to audio recorder, Local Area Network (LAN) phones and/or headsets, mobile phones, still photograph(s), film, analog or digital video(s) and/or Internet depictions, shall not be used to communicate with a player except during an outside 9-yard mark conference (7-yard marks in nine-, eight- and six-player competition).
ART. 2 . . . Communication devices including but not limited to audio recorder, Local Area Network (LAN) phones and/or headsets, mobile phones, still photograph(s), film, analog or digital video(s) and/or Internet depictions may be used by coaches and nonplayers.
