Okay, so you can't really complete that. Therefore, they should always maintain the public trust and follow their agreement, subject to the security declaration. I think that's what I just heard from you.
Additionally, if the document says “Confidential” on the cover page only, if I tear that cover page off, should I therefore assume that everything behind that is no longer confidential? Or if it says “Confidential” on a folder and I dump everything out of the folder, can I therefore assume that everything that fell out of the folder is no longer confidential?