All Blacks flanker Adam Thomson has been cited for stomping on Scotland forward Alasdair Strokosch during the tour-opening rugby Test at Murrayfield on Monday (NZT).
Thomson was reported by an independent International Rugby Board citing commissioner, Ireland's Murray Whyte, for the 45th-minute incident during New Zealand's 51-22 win.
A statement issued by Six Nations organisers, who oversee autumn Test disciplinary matters, said 29-test forward Thomson would face a disciplinary hearing in London on Thursday (NZT).
Thomson was sent to the sin-bin by French referee Jerome Garces on advice from Irish touch judge Simon McDowell.
Television replays showed Thomson brought his boot down on Strokosch's head and he now faces a ban that could rule him out of the world champions' remaining autumn Tests against Italy this weekend, followed by Wales and then England.
Asked after the game if it should have been a straight red card awarded to Thomson, Scotland head coach Andy Robinson said: "You would think so."
All Blacks coach Steve Hansen defended Thomson after the match, saying the 30-year-old didn't have malicious intent.
"It looked like he got frustrated because someone (Strokosch) was lying on the ball and he placed his foot on the guy's head. He didn't stomp him, which was one good thing," Hansen said.
If he is suspended, then it is likely that Thomson could be sidelined for anything between three and eight weeks.