Allonge

An allonge is a piece of paper physically attached to a promissory note for the purpose of recording an endorsement — the signed transfer of the note from one holder to the next. When a note is sold, the seller endorses it over to the buyer much like signing the back of a check. If the note itself has no space left for additional endorsements, the endorsement is placed on an allonge instead, and the allonge becomes part of the note. The word comes from the French allonger, "to lengthen."

Why allonges exist in note buying

Mortgage notes can change hands several times over their life. Each transfer should be documented by an endorsement so the chain of title is unbroken and the current holder can prove its right to enforce. The note has limited margin, so after one or two endorsements there may be no room left — the allonge solves that, providing clean space for each successive endorsement. A note may end up with several allonges stapled or affixed to it over time.

Endorsement in blank vs. special endorsement

• Endorsement in blank: Signed by the transferring holder without naming a new payee. The note then becomes payable to whoever holds it (bearer paper). Common in the secondary market for flexibility, but it requires careful custody since possession controls.
• Special endorsement: Names the specific party the note is being transferred to ("Pay to the order of ___"). This is cleaner for documenting the chain of title because each transfer is explicit.

Why it matters when you sell

Under the Uniform Commercial Code, a note is a negotiable instrument, and the right to enforce it generally follows proper endorsement plus possession of the original. During due diligence, a note buyer and the closing title company examine the note and any allonges to confirm:

• The allonge is properly attached to the note (a loose, unattached allonge can be challenged).
• The endorsement chain matches the recorded assignments of mortgage — note endorsements transfer the debt, assignments transfer the security instrument, and the two should line up.
• The endorsements are signed by parties with authority.

A missing or defective endorsement is a classic title problem. If you are preparing to sell, make sure every prior transfer of your note is reflected by a proper endorsement on the note or a securely attached allonge — it is a core part of a clean collateral file.