The Northampton flyer, who scored a try at the Stade de France, was sin-binned in the second half for a late tackle on French centre David Marty.

The SRU has decided to contest the decision as the offense was actually committed by Sean Lamont's brother Rory.

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"A written notice contesting the yellow card awarded to Sean Lamont has been submitted on the grounds of mistaken identity," the SRU said in a statement.

France won the game 46-19 and scored a try in the final seconds to secure the Six Nations title ahead of Ireland.

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