World Rugby says this is aimed at supporting match officials, promoting ball-in-flow and enhancing fan experience at the tournament which kicks off on September 8.
The Foul Play Review will operate out of the International Broadcast Centre in Paris. Referees now have the ability to refer an incident where a red card is not clear and obvious to the Foul Play Review Official.
If the referee cannot determine whether a red card is warranted after viewing the big screen replays but the foul does meet at least a yellow card threshold, the referee will cross their arms to signal the formal review.
The player will leave the field for 10 minutes as per the sin-bin laws, and the Foul Play Review will then have up to eight minutes to review the incident. The referee will either uphold the yellow card or award a red card.
Last weekend England No 8 Billy Vunipola's yellow card for a dangerous tackle on Ireland's Andrew Porter was upgraded to a red on review.
The shot clock will also be used. This shows the players the 90 seconds they have to take a conversion and the 60 seconds to kick a penalty.
"The advancement of technology is bringing fans closer to the sport than ever before and helping us create a better, safer spectacle," the World Rugby Director of Rugby Phil Davies said on Monday.
The Foul Play Review has been on trial in the Summer Nations Series, World Rugby U20 Championship, The Rugby Championship and Super Pacific Rugby.Â
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