How far down the LLC membership and LLC managership line do you document and identify? In other words, if you are opening an account for an LLC and its managing member is another LLC and a manager signed on their behalf, whose Articles of Organization and Operating Agreements do you require? Just those of the LLC opening the account, or also those of its managing member LLC to see if the manager signing for them is the one they authorized?

What if the manager of the managing member LLC is also an LLC? Where do you stop the identifying and verifying process?