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This guide covers illegal substitution and participation in Colorado football, detailing various types of infractions, including when replaced players fail to leave the field, unauthorized entries by substitutes, and situations involving disqualified players. The penalties for illegal substitution (5 yards) and illegal participation (15 yards) are explained along with the enforcement procedures. Referees are instructed on monitoring player counts and ensuring proper participation to maintain fair play. Understanding these rules makes a significant difference in the game.
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Colorado Football Officials Association Substitution and Participation
It Makes a Difference • Illegal Substitution/Substitution Infraction – Six types • Illegal Participation – 11 types
Types of Illegal Substitution • Replaced player does not leave immediately. • Replaced player or sub unsuccessfully attempts to withdraw
Types of Illegal Substitution • Replaced player, sub, or player leaves field before the snap other than on his team’s sideline. • Sub becomes a player and withdraws or player withdraws and re-enters during the same dead-ball interval.
Types of Illegal Substitution • Entering sub not on his team’s side of NZ at the snap and does not participate. • Sub enters the field during down, but does not participate.
Not a Foul • Breaking the huddle with 12 players. • Sub enters: • Immediately recognizes his error, and • Returns to sideline
The Penalty • Illegal Substitution – Five yards • Enforcement varies
Penalty Enforcement • Illegal Substitution – Live-Ball foul – previous spot • Replaced player or sub unsuccessfully attempts to withdraw. • Entering sub not on his team’s side of the NZ at the snap and does not participate.
Penalty Enforcement • Illegal Substitution – Dead Ball fouls – succeeding spot • Replaced player does not leave field immediately • Replaced player, sub or player leaves field prior to the snap on other than his team’s sideline • Sub becomes a player and withdraws or a player withdraws and re-enters during the same dead ball interval
Penalty Enforcement • Illegal Substitution – Live Ball fouls – succeeding spot • Sub enters the field during down – does not participate – non-player foul
Types of Illegal Participation • 12 players in formation at the snap • Simulating replacements to deceive
Types of Illegal Participation • Entering substitute not on his team’s side of the neutral zone at the snap participates • Team A or K player inadvertently goes out of bounds and returns • Player intentionally goes out of bounds and returns • Substitute enters the field during the down and participates
Types of Illegal Participation • Disqualified player participates • Disqualified player re-enters and is noted before the snap • Injured player not replaced for one down • Player lies on the ground • Non-player hinders an opponent outside the field of play
The Penalty • Illegal Participation – 15 yards • Enforcement varies
Penalty Enforcement • Illegal participation – Live Ball foul – previous spot • 12 players in formation at the snap/kick • Injured player not replaced for one down • Simulating replacements to deceive • Player lies on the ground • DQ’d player participates
Penalty Enforcement • Illegal Participation – All-But-One Principle • Entering Sub not on his side of the NZ at the snap and participates • Team A or K goes OOB and returns • Sub enters the field during the down and participates • Non-player hinders an opponent outside the field of play
Penalty Enforcement • Illegal Participation – Live Ball foul – succeeding spot • DQ’d player re-enters and is noted before the snap.
Key Mechanics • Referee must know how many players in the huddle. • Wings must monitor their sideline.
What To Look For • Make sure departing players leave the field.
Consider Discretion • Any act that occurs because of confusion.
Illegal Substitution • Illegal Substitution – Live Ball fouls – previous spot • Replaced player or sub unsuccessfully attempts to withdraw • Entering sub not on his team’s side of the NZ at the snap and d/n participates • Illegal Substitution – Dead Ball fouls – succeeding spot • Replaced player d/n leave field immediately • Replaced player, sub or player leaves field prior to the snap on other than his team’s sideline • Sub becomes a player and withdraws or a player withdraws and re-enters during the same dead ball interval • Illegal Substitution – Live Ball fouls – succeeding spot • Sub enters the field during down – d/n participate – non-player foul
Illegal Participation • Illegal participation – Live Ball fouls – previous spot • 12 players in formation at the snap/kick • Injured player not replaced for one down • Simulating replacements to deceive • Player lies on the ground • DQ’d player participates • Illegal Participation – All but one • Entering Sub not on his side of the NZ at the snap and participates • Team A or K goes OOB and returns • Sub enters the field during the down and participates • Non-player hinders an opponent outside the field of play • Illegal Participation – Live Ball fouls – succeeding spot • DQ’d player re-enters and is noted before the snap