Brett Lee could face a fine after being reported for dissent during the third Test against South Africa at the Sydney Cricket Ground.
The Australia fast bowler has been pinged for "showing dissent by action or verbal abuse" towards an umpire.
He was today reported by field umpires Aleem Dar, Brent "Billy" Bowden and third umpire Bob Parry for a level 1 offence 1.3, Cricket Australia said in a statement.
The report is thought to have come from an incident when Lee confronted Dar over a leg before decision that the Pakistani umpire didn't give his way.
"Why is it not out, I'm asking for a reason?" Lee was heard to say on one occasion through the stump microphones.
"Please, it's not out, not out, that's all," Dar replied on one occasion before walking away from the New South Welshman.
Lee faces a hearing today with match referee Chris Broad and both onfield umpires Dar and his colleague Brent "Billy" Bowden, from New Zealand.
Parry and Australia captain Ricky Ponting have also been named as attendees.
Despite constant criticism from opponents and warnings from officials, Australia appealed with its usual urgency and volume at the Sydney Cricket Ground yesterday.
"I don't like any player questioning an umpire's decision," Broad said yesterday.
"I think it's bad for the game when lots of kids are watching and they see players questioning decisions. I don't think that's the right thing to do."
Leg-spin bowler Shane Warne came under fire for "over-appealing" during the second Test at the Melbourne Cricket Ground, not least when he effectively conned rookie umpire Asad Rauf into giving a decision his way against Ashwell Prince.
Prince was given out caught in the slips during his second innings, despite the ball appearing to have hit him on the forearm rather than his bat or glove.
Australia appeared to bring a more reserved attitude into day two at the SCG today, failing to take any wickets or appeal vociferously after the new ball was taken early by Lee and Glenn McGrath.
Lee, though, could consier himself very unlucky when he appealed to Bowden for a leg before decision against Jacques Kallis, the ball looking as if it might have crashed into leg stump had the South Africa batsman's pads not been in its path.
- TOBY FORAGE (Additional reporting from The Australian and AAP)