Arda Ocal sent the following to clear up an internet rumor that has been making the rounds over the past few days. This will clear it up.
On the "Right After Wrestling" program, Arda Ocal and Jimmy Korderas cleared up the news circulating about the WWE banning the knife edge chop. Korderas explained that the move has actually been banned for years, back to when Ric Flair was still with the company. Only Flair and Shawn Michaels were allowed to use a knife edged chop - in fact at many events they would post "no chops!" signs at the gorilla position
PWInsider.com