If what Brundle just said is accurate, then we know who's head should roll first. Charlie Fucking Whiting!
Brawn claims to have cleared this test via e-mail with Chuck W. That is, using a 2013 car WAS allowed.
If he gave the go-ahead, and Mercedes end up being penalized, then there's no way he can stay on in his current role. Time and time again his word continues to be completely worthless. He causes many more issues than actually clearing them up.