@PATAX  All I remember from torts class is that "negligence can't be waived."  That applies to malpractice, so there is no such IronMan ironclad agreement, although you can try to convince people it works that way. 

More information on BOI, and the bills introduced to repeal it (by a couple of guys who voted for it before they were against it -- one of them has already announced his departure from Congress at the end of his term) is here:

https://www.thedancingaccountant.com/?p=4442