What are the rules for Instant Replay in the CFL? What are the rules surrounding showing in-stadium replays while plays are under review?
The rules governing Instant Replay in the CFL can be found in the rulebook and on CFL.ca. Each team receives two challenges per game and a third challenge if their first two challenges were successful and they have a time-out remaining. In the final three-minutes of regulation time and all overtime play, coaches may not challenge a play. Instead, reviews of plays will be initiated by the CFL replay command centre. Per the Instant Replay overview page in the rulebook, “Video board operators are not permitted to show replays on the video board in the stadium while a review is in progress.