Also, print the category for that award in large black letters on the envelope, and hand it to the presenter with the title upward so he or she can read it, too, to make sure they have the correct one that he or she is presenting.
Looking at this year's envelopes, the category was in...
He received the Irving Thalberg Award that year, given for an outstanding record as a PRODUCER. It's a bust of Irving Thalberg and not an Oscar statuette. He never received any Oscar for his directing (five nominations, no award and no honorary Oscar), and that is one of the Academy's gravest...
The envelope mix-up happened on the Tony Awards once, too. Anthony Quinn was announcing Best Book of a Musical and was given the envelope for Best Play and he read what the card said without thinking the name he was reading wasn't in the list of nominees he had just read (Neil Simon won that...
And that's because the number of animated features increases each year due to their popularity. The number of nominees is determined by the number of potential animated films submitted for award consideration.
The first two Toy Story movies and A Bug's Life weren't nominated for Best Feature Animation because the category didn't exist when those films were released. Toy Story was voted a Special Oscar since the feature animation category didn't exist to honor it.