Button was with BAR this year, but said there was a loophole in his contract that allowed him to leave that team and sign with another one.
BAR filed a complaint with Formula One's Contract Recognition Board (CRB), which ruled in the team's favor.
"I'm delighted to confirm that we just received the official notification that the CRB have ruled in our favor," said BAR team manager David Richards said.
Aaron Carter is still in love with Hilary Duff
Millions of Getty images now available for free via embed tool