[cryptoglyph]

The most important task you need to accomplish in the next week is this: Consult with criminal defense counsel with experience in this area of federal compliance—particularly because of the possibility that the documents you were helping to create were contrary to law. 18 USC § 1001 is a frightening statute with exceptionally broad applicability. Even if it wasn't you signing the form, if you were helping to complete the form, an Assistant US Attorney might see you as a target for a conspiracy charge. Although conspiracy requires proof of intent, that doesn't mean your life can't be wrecked by a wayward or overly zealous AUSA, even if you are exonerated later.

You may need, under whatever area of law applies here, to whistleblow to remove any potential taint on your activity. Or maybe counsel would advise you to lay low. Hard to say. That's why it's important to talk to counsel in this area of law.

Secondly, you may have cause of action for a whistleblower lawsuit. You may end up deciding not to proceed for several reasons already mentioned in other comments (expensive, time consuming, etc.), but you should seek competent legal advice from an employment attorney as well.