World Rugby will think about introducing the 20-minute pink card as a worldwide regulation trial regardless of issues that it may diminish the deterrent impact.
The regulation, which is being trialled in Tremendous Rugby, means the dismissed participant may be tactically changed by a substitute after 20 minutes.
England lock Charlie Ewels was despatched off after 82 seconds in opposition to Eire within the Guinness Six Nations final month, with many observers feeling the dismissal ruined the sport as a contest.
World Rugby, nevertheless, is decided to maintain decreasing sort out heights and the Tremendous Rugby trial thus far has proved inconclusive.
“That’s been mentioned earlier than and will likely be mentioned once more,” World Rugby chief government Alan Gilpin instructed the Every day Telegraph.
“It could be nice if extra competitions, even in a closed trial, would use it as a result of that may give us extra of an summary of the impact it could have on the sport.
“We have to see extra of the information to see whether or not that strikes the steadiness between security and spectacle higher.
“There may be extra work to do to analyse that and the priority is, if a workforce goes again to fifteen gamers, is that sufficient of a deterrent to drive that behavioural change.
“We want to see it trialled extra broadly earlier than drawing any conclusions.”