9:00PM GMT 31 Dec 2010
Chris Sparling, the writer of the film 'Buried', in which an American truck driver, played by Ryan Reynolds, is buried aliver by a kidnapper in Iraq, wrote an email that included a review saying the film was an "ingenious exercise in sustained tension that would have made Alfred Hitchcock proud".
It concluded: "We would be honoured to land on your ballot for Best Original Screenplay."
The Oscar rules state that "mailings that extol the merits of a film, an achievement or an individual are not permitted" and that "quotes from reviews are not permitted."
A spokesman for Mr Sparling's publicist MPRM Communications, which sent the message, told The Hollywood Reporter: "In the pre-holiday rush, a letter went out that wasn't properly vetted, and we sincerely apologise for the error.