This appeared upon the board. Note that the statement of law here is actually not correct so it doesn't precede as stated. However the legal question is interesting anyway. Suppose the following:
My insurance company requires that in order to purchase liability insurance I must also purchase uninsured motorist insurance.
They claim they must do this according to state law.
I file lawsuit in small claims court to recover the premium of the unwanted policy.
The insurance company does some quick math and realizes they stand to lose more by defending the case then not, so they fail to show up. This is the easy part.
The hard part: the trial judge doesn't know the law. I generated this hypothesis because the law wasn't well known. [In fact there's no such law, but let us presume there is.]
Thus I win the case in default judgment.
My insurance company doesn't care; they just refund the money and cancel the part of the policy I didn't want. They can't cancel the rest of the policy because it's a default judgment. (Of course there's likely to be a problem with renewal but we don't need to talk about that.) However, the insurance commissioner gets notified.
So the question:
I got the ruling I want. The insurance company doesn't care and has no interest in appealing the case.
The insurance commissioner doesn't like the ruling because it's contrary to law. What can the state do about it?
The only useful hit I get on multiple attempts of internet searches is United States v. Savala, which is completely wrong jurisdiction but seems to be stating a well-known rule.