Michael McSign presents you with a document to be notarized. You examine the document to see that Michael has already signed the document, and the notarial certificate requires a jurat. You should:

Administer the oath and proceed with the notarization.

Confirm that he was the one that signed the document.

Ask Michael to sign it again and administer the oath.

Decline to move forward unless she has a new$/$unsigned copy of the document.