The regulator can revoke a broadcasting license if an owner doesn't meet the loosely defined classification, which takes into account criminality, the propriety of directors and other behavior.

WSJ: James Murdoch to Quit as BSkyB Chairman

The regulator can revoke a broadcasting license if an owner doesn't meet a loosely defined classification, which takes into account criminality, the propriety of directors and other "relevant misconduct" that isn't necessarily criminal.

WSJ: Ofcom's Review of BSkyB License, News Corp.'s Stake, Will Be Lengthy