Do I need a disclaimer on a fake confidential document?
<p>As part of a small project, I mocked up a "confidential" "NSA" document. While it isn't real, friends are saying that it's convincing enough that I should place some text at the bottom saying</p>

<blockquote>
  <p>Please note that this is only a replica, and in no way intends to masquerade as a real NSA document.</p>
</blockquote>

<p>Should I add anything else, i.e. also saying "We (the creators) do not have the authority to create real NSA documents."?</p>

<p>Yes. You should put a disclaimer on the document or in a watermark. Government officials charged with enforcing national defense secrecy laws are not good at getting jokes and could easily assume it is real, and once you are accused, even wrongfully, of a national security offense related to classified documents, getting due process let alone a quick dismissal of the case, can be expensive and difficult, if it is possible at all.</p>

united-states disclaimers