•Change:
•Substitution and participation are more clearly defined
•Participation now has its own definition: “Any act or action by a player or nonplayer that has influence on play.” (2-29)
•A replaced player or substitute who enters the field during a down, but does not participate is guilty of illegal substitution. Penalty enforced from the succeeding spot. (Fund 4)
•Illegal participation is a 15-yard spot foul.
Case Book:  *3-7 COMMENT; *3.7.3 A & B; *9.6 COMMENT; *9.6.1D; *9.6.4C