Daniel Biggar, the Ospreys flyhalf was suspended for one week by a Pro12 disciplinary committee - after having accumulated three yellow cards in the competition to date.
The committee was chaired by Pat Barriscale, and also comprised of Philip Orr and George Spotswood (all Ireland).
Biggar can resume playing on Monday, April 30 and has the right of appeal.
However, the ban is meaningless, as Ospreys have no fixture this week.
Their next game is on Saturday, May 5, when they face Aironi in a Pro12 match in Italy.
Ospreys are currently second on the standings, 10 points behind leaders Leinster and five points ahead of another Irish province, Munster - with just one round of league action remaining before the play-offs.
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
The All Blacks Performance t-shirt is black with hints of blue from the training jersey. Very Cool.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.