A handshake loan is a gift waiting to be misremembered. A promissory note is the same loan, written down, with terms — and a remedy if the borrower disappears.
Who this pack is for
You're lending money to someone — a family member, a friend, a small-business owner, a tenant — and you want a written record that creates real legal obligations. The amount is meaningful enough to matter ($1,000+ for most people), the relationship is good but the stakes are real, and you want clear terms on interest, payment schedule, late fees, and what happens if the borrower defaults. Or you're the borrower, asking for a loan from someone who wants paperwork before writing the check.
When to use it
Sign the promissory note before money changes hands. The note records a debt; without one, you have a verbal contract that's hard to enforce in court (the statute of frauds may even render it unenforceable in some states for amounts over a threshold, depending on the loan terms). Common scenarios: parent loaning a child a down payment, friends investing in each other's small businesses, partners in a closing-the-business equity buyout, a private deal where bank financing isn't available. For loans over $10,000, also consider IRS imputed-interest rules — loans below the Applicable Federal Rate (AFR) can trigger imputed interest income for the lender. Set the interest rate at or above AFR to avoid this, even if it's a friendly loan.
What it doesn't cover
This is a basic unsecured promissory note. It does not include a security interest — if the borrower defaults, you have a claim against them but no collateral to repossess. For loans secured by collateral (a car, equipment, real estate), you need a separate security agreement (UCC Article 9 for personal property, mortgage / deed of trust for real estate) recorded with the appropriate state filing office. It does not handle real-estate financing — those have additional disclosure requirements under the Truth in Lending Act for owner-occupied purchases. It does not include guarantor language — for a third party to be liable if the borrower defaults, that's a separate guaranty agreement. And it does not address consumer credit regulations (TILA, Regulation Z) that apply to commercial lenders making consumer loans; those are for licensed lenders, not private parties.
State-specific notes
Rules vary by jurisdiction. Below are notes for the states where promissory note runs into the most variance. If your state isn't listed, default to your state's tenant-rights handbook or local legal aid.
Common questions
Sources
Primary legal sources cited above. These link to free, public versions of the statutes, regulations, and case law referenced in this pack.
Pike provides plain-language legal information, not legal advice. State and local rules change. If money, custody, or your housing is on the line, talk to a licensed attorney or your local legal aid office.