What is a security agreement?

It is the borrower's signed promise that gives the lender a security interest in specific property, the collateral, to secure the loan. Under UCC Article 9, a lender's claim to most personal property collateral is enforceable only if the borrower has authenticated a security agreement that describes it, or the lender holds the collateral.

Can the security agreement be in the promissory note itself?

Yes. Many secured notes include a granting clause in which the borrower grants the lender a security interest in described collateral. That works as long as the borrower signs it and the description identifies the property. A separate document is common for larger or more complex collateral.

Is a security agreement the same as filing a lien?

No. The security agreement creates the lender's rights against the borrower. Filing a UCC-1 financing statement, or noting the lien on a vehicle title, perfects those rights against other creditors and buyers. A lender usually needs both.

Do you need a security agreement with a secured promissory note?

A borrower signs a note that says the loan is secured by their boat. The lender assumes the boat is now collateral. Whether it really is depends on a second set of words, the security agreement, which can live inside the note or in a separate document. Without it, the lender may just be an unsecured creditor with a hopeful sentence.

What the UCC requires

Under Article 9 of the Uniform Commercial Code, a security interest in most personal property becomes enforceable against the borrower, which the law calls attachment, only when three things are true:

Value has been given, usually the loan itself.
The borrower has rights in the collateral, or the power to transfer them.
The borrower has signed a security agreement that describes the collateral, or the lender holds the collateral under their agreement.

The third item is where informal notes fall short. "This loan is secured" isn't a grant. The document needs words that give the lender a security interest in specific property, and the borrower's signature. See secured versus unsecured notes.

Describing the collateral

The description has to reasonably identify the property. The UCC says a description like "all the debtor's assets" or "all the debtor's personal property" isn't good enough in the security agreement. Be specific:

Vehicles and boats: year, make, model, and VIN or hull number.
Equipment: make, model, and serial number.
Accounts or inventory of a business: the category and what it covers.

Create a Secured Promissory Note ($7.99) Perfecting a Lien

Attachment is not perfection

A signed security agreement gives the lender rights against the borrower. It doesn't protect the lender against the borrower's other creditors, a later buyer, or a bankruptcy trustee. That takes perfection: filing a UCC-1 financing statement for most personal property, or having the lien noted on the title for titled vehicles and boats. A lender who skips perfection can lose the collateral to someone who filed first. See perfecting collateral liens and using a car as collateral.

Why this matters when things go wrong

The gap shows up at the worst time. In a bankruptcy, a lender with an attached and perfected security interest is treated as secured. A lender with only a note that mentions collateral is often treated as unsecured and paid little or nothing. See promissory notes in bankruptcy.

A simple checklist

A granting clause: "Borrower grants Lender a security interest in..."
A specific collateral description.
The borrower's signature on the document that contains the grant.
The borrower's duties: keep the collateral insured and don't sell it without consent.
Then perfect: UCC-1 or title notation.

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