The illegal administrative action can be divided in to three catego ries:the action of serious and flagrant breach of law is invalid;

违法行政行为可以被分为三类：“严重、明显”违法的行政行为，无效；

youdao

They sit in the upper house of the nation's legislature, but they haven't had their titles removed for serious breach of the law.

BBC: Fred Goodwin: A very British humiliation