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Rulebook Official Signals
- Touchdown, Field Goal, or Successful Try
- Safety
- First Down
- Crowd Noise, Dead Ball, or Neutral Zone Established
- Ball Illegally Touched, Kicked, or Batted
- Time Out
- No Time Out or Time In With Whistle
- Delay of Game or Excess Time Out
- False Start, Illegal Formation, or Kickoff or Safety Kick Out of Bounds or Kicking Team Player Voluntarily Out of Bounds During a Punt
- Personal Foul
- Holding
- Illegal Use of Hands, Arms, or Body
- Penalty Refused, Incomplete Pass, Play Over, or Missed Field Goal or Extra Point
- Pass Juggled Inbounds and Caught Out of Bounds
- Illegal Forward Pass
- Intentional Grounding of Pass
- Interference With Forward Pass or Fair Catch
- Invalid Fair-Catch Signal
- Ineligible Receiver or Ineligible Member of Kicking Team Downfield
- Illegal Contact
- Offside, Encroachment, or Neutral Zone Infraction
- Illegal Motion at Snap
- Loss of Down
- Interlocking Interference, Pushing, or Helping Runner
- Touching a Forward Pass or Scrimmage Kick
- Unsportsmanlike Conduct
- Illegal Cut
- Illegal Crackback
- Player Disqualified
- Tripping
- Uncatchable Forward Pass
- Twelve Men in Offensive Huddle or Too Many Men on the Field
- Facemask
- Illegal Shift
- Reset Play Clock–25 Seconds
- Reset Play Clock–40 Seconds
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