89th Annual Academy Awards - Red CarpetThe two accountants responsible for the Best Picture mistake at Sunday night's Oscars will not be working with the awards show again, according to The Academy of Motion Picture Arts and Sciences.

PricewaterhouseCoopers' Brian Cullinan, who gave the wrong envelope to presenter Warren Beatty, and colleague Martha Ruiz will no longer be involved with the Oscars, said Academy president Cheryl Boone Isaacs. The decision does not affect their employment at PWC.

More details have come to light about the mistake, which led to Beatty's co-presenter Faye Dunaway declaring "La La Land" the winner, when in actuality, "Moonlight" won Best Picture. Cullinan was named as the accountant who gave the wrong envelope — Best Actress instead of Best Picture — to Beatty.

The two accountants carry identical sets of envelopes and stand on opposite sides of the stage, and Ruiz had given Leonardo DiCaprio her Best Actress envelope. Photos show him holding two envelopes as Beatty waited to go on stage, and moments later, tweeting a picture of Emma Stone (since deleted).

PWC released statements both Sunday evening and Monday taking full responsibility for the flub. Boone said the Academy's relationship with PWC remains under review.

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