American Football Rules IFAF Approved Ruling 10-2-5:I-XII

Fouls during a touchdown or field goal by Team A:
I. During a touchdown run Team B clips in the field of play or the end zone. RULING: Team A has the option of the penalty being enforced on the try, the succeeding kickoff, or from the succeeding spot in extra periods (Rule 10-2-5-a-1). [Cited by 10-1-7]
II. Team B commits a personal foul during a down when Team A scores a touchdown, and then Team A fouls after the score and before the ready-for-play signal on the try. RULING: Allow the score. Team A has the option of enforcement on the try, the succeeding kickoff, or from the succeeding spot in extra periods. Team B then also has the option of Team A being penalised on the try, the succeeding kickoff, or from the succeeding spot in extra periods The yardage assessed on the live-ball/dead-ball penalties may cancel (Rule 10-2-5). [Cited by 10-1-7]
III. Team B holds during Team A’s touchdown run. Team A fouls after the score. RULING: Allow the score. The penalty for Team B’s holding foul is declined by rule. Team B has the option of Team A being penalised on the try, the succeeding kickoff, or from the succeeding spot in extra periods (Rule 10-2-5-a-2 and 10-2-5-c). [Cited by 10-1-7]
IV. A Team B player punches an opponent during or after Team A’s touchdown run. Team B is offside on the successful try. RULING: Allow the touchdown. Disqualify the Team B player for fighting. Team A has the option of a penalty against Team B on the try, the succeeding kickoff, or from the succeeding spot in extra periods. After the successful try, Team A has the option of repeating the try with the offside penalty enforced on the try (Rules 10-2-5 and 8-3-3-b). [Cited by 10-1-7]
V. Team B roughs the forward passer during a touchdown pass play. RULING: Allow the touchdown. Team A has the option of enforcement on the try, the succeeding kickoff, or from the succeeding spot in extra periods. [Cited by 10-1-7]
VI. Team B is offside during a successful field goal down. RULING: Team A has the option to accept the penalty at the previous spot and repeat the down or to keep the points by declining the penalty. [Cited by 10-1-7]
VII. Team B fouls on a successful field goal. RULING: Team A shall have the option of cancelling the score and have the penalty enforced from the previous spot or they may decline the penalty and accept the score. Team A may accept the score and have penalties for personal fouls and unsportsmanlike conduct enforced on the succeeding kickoff or from the succeeding spot in extra periods. [Cited by 10-1-7]
Fouls after a touchdown by Team A:
VIII. Team A fouls after it scores a touchdown, and Team B fouls on the successful try. RULING: Allow the touchdown. Team B has the option of Team A being penalised on the try or the succeeding kickoff. Team A then has the option of Team B being penalised on a repeat of the try. Team B personal-foul penalties may be enforced on the subsequent kickoff or at
the succeeding spot in extra periods. Yardages assessed on the succeeding kickoff may cancel. [Cited by 10-1-7]
IX. Team A fouls after it scores a touchdown, and Team B fouls after a successful try. RULING: Allow the score. Team B has the option of Team A being penalised on the try, the succeeding kickoff, or from the succeeding spot in extra periods. For the foul after the try, Team B is penalised on the kickoff or at the succeeding spot in extra periods. [Cited by 10-1-7, 8-3-3-b-1]
Fouls during a try with no change of team possession (this does not include live-ball fouls treated as dead-ball fouls or loss-of-down fouls):
X. Team B fouls during a successful try. RULING: Repeat the down after enforcement, or the penalty is declined by rule. Penalties for personal fouls and unsportsmanlike conduct fouls may be enforced on the succeeding kickoff or at the succeeding spot in extra periods (Rule 8-3-3-b-1). [Cited by 10-1-7, 8-3-1, 8-3-3-b-1]
XI. Team B fouls during a successful try. RULING: Repeat the down after enforcement or the penalty is declined by rule. Penalties for personal fouls may be enforced on the succeeding kickoff or at the succeeding spot in extra periods (Rule 8-3-3-b-1). [Cited by 10-1-7, 8-3-1, 8-3-3-b-1]
XII. During a successful kick try from the three-yard line, Team B is offside. After the ball is dead, Team B commits a personal foul. RULING: If Team A elects to repeat the try, both penalties against Team B are enforced before the snap (Rule 10-1-6). If Team A declines the offside penalty and accepts the point, the penalty for Team B’s dead-ball foul is then enforced on the kickoff or at the succeeding spot in extra periods (Rule 8-3-5). [Cited by 10-1-7, 8-3-1]