Back-row forward Julien Bardy could be ruled out for Clermont’s Champions Cup games against Munster in December after he was cited for an incident in his side’s game against Saracens last weekend.
Bardy will answer a charge of striking England number eight Billy Vunipola with his knee in Clermont's 30-23 defeat at Saracens on Saturday.
The 29-year-old will appear before a European Professional Club Rugby (EPCR) disciplinary panel in Dublin on Thursday.
Bardy will face a minimum three-week ban if found guilty, while mid-range punishments start at eight weeks and top-end sanctions open at three months.
Munster play Clermont in Thomond Park on Saturday 6 December before travelling to France for the return fixture on Sunday 14 December.
Bardy is alleged to have struck Saracens loose forward Vunipola with his knee in the 78th minute of the Champions Cup Pool 1 match at Allianz Park.
Match citing commissioner John Charles brought the charge against Bardy, while Simon Thomas has been appointed as the independent judicial officer for Thursday's hearing.
