Looks like Conan O’Brien will have to watch what he says at the Emmy Awards this Sunday night.

Conan, who is nominated in the outstanding variety, music, or comedy series category for his cancelled Tonight Show, is “legally prohibited” from saying whatever he wants about his former bosses during an acceptance speech. This will mark the first time Conan and NBC executives have been in the same room since his departure from the network.

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Here’s what Conan CANNOT say: His settlement deal with the network has strict rules, stating that he can’t make any “disparaging” comments about NBC, NBC Studios, Jay Leno, and NBC executives Jeff Zucker, Dick Ebersol, Jeff Gaspin, and Marc Graboff. This rule also applies to the executives; no “disparaging” comments about Conan either. The limitations of the settlement end September 1st. How convenient for NBC, right?

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According to The Hollywood Reporter, here’s what Conan CAN say:

“Conan’s settlement deal defines disparaging comments as those that are “false” and would be viewed by a reasonable person to be “insulting or defamatory. The key word is “false.” O’Brien can poke fun at his former bosses or even take a shot at Leno as long as his remarks are not both inaccurate and scornful.”

According to attorney Pierce O’Donnell:

“He can still have a field day. He can make fun of NBC’s ratings, its shows, as long as he’s not saying anything false.”

Sources close to Conan say that he isn’t planning to say anything negative if he wins, and even if he did, NBC still reserves the right to hit the censor button. Both NBC and O’Brien reps declined to comment.

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Conan’s new show on TBS is scheduled to begin in November. Long live COCO!