Affidavit of Lost Promissory Note — New York
AFFIDAVIT OF LOST PROMISSORY NOTE — NEW YORK
Before you use this: Complete only facts the affiant knows or can identify from records. Attach an available copy of the note and transfer records. Ask the recipient whether it requires its own affidavit, a bond, or other protection. Do not sign until the oath or affirmation is administered.
State of New York
County of [COUNTY]
I, [AFFIANT FULL NAME], being duly sworn or affirmed, state:
- I am [ROLE AND RELATIONSHIP TO THE NOTE]. My address is [ADDRESS]. I know the facts below because [DESCRIBE PERSONAL KNOWLEDGE AND RECORDS REVIEWED].
- The missing promissory note is identified as follows: maker [NAME]; original payee [NAME]; date [DATE]; original principal [AMOUNT]; maturity date [DATE OR TERMS]; account or loan identifier [IDENTIFIER]; collateral, if any, [DESCRIPTION]. Its unpaid amount as of [DATE] is [AMOUNT], based on [IDENTIFY PAYMENT RECORDS].
- The note's material terms, including payment and interest terms, are [SET OUT TERMS OR IDENTIFY ATTACHED TRUE COPY]. ☐ A true copy is attached as Exhibit A. ☐ No copy is available; the terms are established by the records identified in Exhibit [LETTER].
- The note came into the possession of [PERSON OR ENTITY] on [DATE] by [DESCRIBE DELIVERY OR TRANSFER]. The chain of possession and any endorsements or assignments known to me is [DESCRIBE; IDENTIFY AND ATTACH RECORDS].
- The original was last known to be in the custody of [PERSON OR DEPARTMENT] at [PLACE] on [DATE]. I learned it was missing on [DATE]. The circumstances of its loss, destruction, theft, or unknown location are [FACTS; SAY WHAT IS UNKNOWN].
- The following search was made for the original: [LOCATIONS, RECORD SYSTEMS, PERSONS CONTACTED, DATES, AND RESULTS]. The original ☐ was destroyed ☐ cannot be located ☐ is believed to be in another person's possession because [EXPLAIN].
- To my knowledge, the note has ☐ not been paid in full ☐ not been cancelled ☐ not been intentionally transferred away after the loss. Explain any exception or uncertainty: [DETAILS].
- I own the note because [DESCRIBE ACQUISITION AND ATTACH DOCUMENTS]. The facts preventing production of the original are [DESCRIBE SPECIFICALLY]. Its terms are shown by [IDENTIFY COPY OR OTHER RECORDS].
- I submit this affidavit to [RECIPIENT] for [SPECIFIC PURPOSE]. If I bring an action under N.Y. U.C.C. Law § 3-804, I understand that I must prove ownership, the facts preventing production, and the terms. The court must require security in an amount it fixes, at least twice the allegedly unpaid amount, to indemnify the defendant and successors against further claims, except for the statute's state/public-officer exception. I will address that security separately; this affidavit is not the security.
- I will promptly notify [RECIPIENT] if the original is found or a competing claim appears.
I have read this affidavit. The statements above are true to my personal knowledge except where I expressly identify records or another source.
Affiant signature: ______________________________ Date: [DATE]
Printed name and title: [NAME AND TITLE]
Exhibits: [LIST EACH ATTACHMENT OR WRITE NONE]
Oath or affirmation
Sworn to or affirmed and subscribed before me by [AFFIANT NAME] on [DATE] at [PLACE].
Notarial officer signature: ______________________________
Printed name and title: [NAME AND TITLE]
Commission, seal, and other details required where the oath is administered: [COMPLETE OR ATTACH LOCAL JURAT]
About this template
- Last updated
- October 14, 2026
- Citations checked
- October 14, 2026
- Jurisdiction
- New York
- Category
- Financial & Banking
Legal authority
- N.Y. U.C.C. Law § 3-804
Financial and banking documents govern loans, security interests, account agreements, and commercial transactions between lenders, borrowers, and financial institutions. Promissory notes, guaranties, security agreements, and UCC filings have precise legal requirements, and mistakes can leave a lender unsecured or a borrower on the hook for more than they agreed to. Well-drafted finance paperwork protects both sides and keeps the deal enforceable if something goes wrong later.
Not legal advice
This template is provided for informational purposes. We recommend having an attorney review any legal document before signing, especially for high-value or complex matters.
Checked against the law it cites
A reviewer verified this template's legal citations against the official source on October 14, 2026.
N.Y. U.C.C. Law § 3-804 (checked October 14, 2026): "The owner of an instrument which is lost, whether by destruction, theft or otherwise, may maintain an action in his own name and recover from any party liable thereon upon due proof of his ownership, the facts which prevent his production of the instrument and its terms."
N.Y. U.C.C. Law § 3-804 (security) (checked October 14, 2026): "The court shall require security, in an amount fixed by the court not less than twice the amount allegedly unpaid on the instrument, indemnifying the defendant, his heirs, personal representatives, successors and assigns against loss, including costs and expenses, by reason of further claims on the instrument"
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