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Be patient at the end of the game to not create an opportunity for the offense to have an additional play. If a play has a reviewable aspect, and the game clock is running, wait to see if the offense will be able to snap the ball before time expires. If so, stop the game for a review. If not, let the game end and then review the play.
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Be aware when the clock runs out and whether time should be restored.
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Be aware of officials signaling for timeout and the amount of time on the clock when doing so.
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Be aware of the number of timeouts and challenges that remain for each team.
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Be aware of changes to timing rules after the Two-Minute Timeout.
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Communicate with officials through the official-to-official microphone any administrative or penalty enforcement issue (e.g., the crew misses a 10-second runoff opportunity, clock status, etc.).
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At the end of any half or overtime period, confirm with the on-field officiating crew that replay has cleared the last play from any reviewable aspect before allowing the teams to leave the field.