Contact your lender (or loan officer) at least a week before closing to find out how you will receive your Closing Disclosure. Ask whether your Closing.A promissory note need only be signed and does not require an acknowledgement before a notary public to be valid. When to Use a Promissory Note. (2). "Borrower" means the maker of the promissory note evidencing the loan to be delivered at the closing. (3). Such a document serves as the borrower's proof that the debt has been paid.