http://www.planet-f1.com/story/0,18954,3213_5706009,00.html
Might be interesting. He has some history will Ross Brawn...
Brawn GP will not allow World Champion Jenson Button to be involved in any team activities for McLaren before the end of the year.
Brawn chief executive Nick Fry said they would view any such activities "very dimly", while also hinting he felt Button, who sealed his move to McLaren earlier this week, had been disloyal.
"Jenson will not be doing anything at all for McLaren until the end of this calendar year," said Fry in The Guardian. "And if he does, we will be looking on it very dimly.