The ERC have received a citing complaint against Blues Flanker Martyn Williams, following the Round 1 Heineken Cup match against Edinburgh.
Williams, who this summer picked up the ERC European Fair Play Award, is alleged to have dropped his knee into the face of Edinburgh full back, Chris Paterson, during the first-half.
The hearing will take place in Dublin this Wednesday.
Law 10.4(a) 'A player must not strike an opponent with the knee(s)'.
IRB recommended sanction - Low End: 3 weeks; Mid Range: 8 weeks: Top End: 12+ weeks; Maximum: 52 weeks
Cardiff Blues face a triple header against the Irish provinces on home soil in the Guinness PRO12 in the coming months - and you can join us at BT Sport Cardiff Arms Park with a special ticket offer available NOW!
Judgement Day IV, Welsh rugby's Guinness Pro12 double-header to be played out in Cardiff on Saturday 30th April, has sold out the Principality Stadium middle and lower tiers and is three months ahead of record sales figures hit last year.
Singapore will host the next stage of the #StayStrongForOws fundraising and awareness campaign next month - that will also see former Cardiff Blues and Wales star Owen Williams return to the city where his life changed forever.
Join Cardiff Blues for Wales' home matches in the 6 Nations with our fantastic hospitality packages at BT Sport Cardiff Arms Park - but act quickly to take your place with our Scotland packages now SOLD OUT!