This Article shall not apply to any of the following:
(1) Electronic signatures and facsimile signatures that are otherwise allowed by law.
(2) The execution of documents filed with, issued, or entered by a court of the General Court of Justice. However, a document or transaction validly executed under this Article is not rendered invalid because it is filed with, or attached to, a document issued or entered by a court of the General Court of Justice.
(3) Transactions where a public agency is not a party.