Family Loan Promissory Note with Amortization Schedule

Why Family Loans Need Paper (Especially Yours)

Bottom line first: The moment real money moves between relatives, you are running a small private bank, whether or not anyone says it out loud. A promissory note (the borrower’s signed written promise to repay on stated terms) plus an amortization schedule costs an evening to set up and buys three things money can’t: a shared memory of the exact deal, an answer to the IRS if it ever asks whether this was a gift, and a payment rhythm that keeps the loan from becoming the silent guest at every holiday.

This guide is the family-loan companion to our general promissory note guide. That page covers secured-versus-unsecured lending in depth; this one covers what families specifically get wrong, the tax rules written specifically for related-party loans, and a real amortization schedule you can copy.

When the Loan Is Big Enough to Paper

The honest threshold is not a dollar figure; it is “would losing this money, or resenting it, change the relationship?” In practice, paper every loan for a house down payment (the buyer’s mortgage lender will demand documentation anyway, and may treat undocumented family money as a gift requiring a signed gift letter instead), business startup money, a car, tuition, or debt consolidation. Two situations deserve special care. If the borrower is under financial pressure now, a loan you might have to forgive later is often better structured honestly as a gift from the start. And if the borrower later ends up in bankruptcy, payments they made to you (an “insider”) during the prior year can be clawed back by the trustee, one more reason the paper trail matters: a documented loan with market-rate history reads far better than mystery transfers.

Gift or Loan? The IRS Frame (AFR, Explained)

The IRS publishes a floor interest rate each month, the Applicable Federal Rate (AFR), in short-term, mid-term, and long-term flavors depending on the loan’s length. Charge at least the AFR for your term, and your loan is a normal loan. Charge less (or nothing), and 26 U.S.C. §7872 treats the missing interest as if it happened anyway: the tax law “imputes” interest the lender is deemed to receive (taxable to the lender) and re-characterizes it as a gift to the borrower. In other words, a 0% family loan is not illegal; it is a loan plus an invisible annual gift of the foregone interest, with paperwork consequences nobody enjoys reconstructing later.

Two escape hatches keep small loans simple. The $10,000 exception: gift loans of $10,000 or less between individuals are generally exempt from the imputed-interest rules (unless the money buys income-producing assets). The $100,000 limit: for gift loans up to $100,000, the imputed interest is capped at the borrower’s actual net investment income, and if that income is minimal, it can round to zero; this is the rule that lets parents make large, low-interest loans to children who aren’t sitting on investment portfolios. The precise current AFR is one click away on the IRS’s AFR page; it changes monthly, so pull the rate for the month you sign, write it into the note, and the gift-versus-loan question answers itself. (If you’d rather make it a true gift, that is allowed too; amounts within the annual gift-tax exclusion need no gift-tax return at all, and the honest move is deciding gift-or-loan on day one, not at the first missed payment.)

Free Family Loan Promissory Note (Copy and Paste)

Replace the bracketed items and have both parties sign (a witness or notary is optional in most states but cheap insurance for larger loans). The downloads above match this text, and e-signatures are fully valid if the family is scattered.

The Amortization Schedule: A Real Worked Example

An amortization schedule is the month-by-month table showing how a fixed payment splits between interest and principal until the balance hits zero. Here is the real math for a sample loan: $20,000 at 4.00% fixed for 60 months (the 4.00% is an illustration; you will substitute the AFR-or-higher rate for your signing month). The standard formula produces a payment of $368.33 per month:

Total repaid: $22,099.85, of which $2,099.85 is interest. Read the pattern once and you understand every mortgage you’ll ever have: early payments are interest-heavy because the balance is large; late payments are nearly all principal. Build your own Exhibit A in any spreadsheet with the PMT function (rate/12, months, -principal), print all rows, and staple it to the note. Lenders should remember the unglamorous half of the deal: interest received on a family loan is taxable income to report each year, which is precisely why the schedule’s interest column earns its place.

Rate and Term: Picking Numbers That Hold Up

Rate: for family lending, fix it. Variable rates tied to market indexes belong in commercial paper, not between relatives; the AFR for your term, or a point or two above it, is the defensible zone. The ceiling is your state’s legal interest cap, historically called usury law (the legal term for charging more interest than the state allows); family loans priced near the AFR never get close, but if you drift toward double digits, check your state before signing.
Term: match it to the loan’s job: 12 to 36 months for consolidation-sized help, 60 months for car-sized loans, longer for down-payment-sized money. The AFR flavor follows the term (short-term ≤3 years, mid-term 3 to 9, long-term over 9), so the term you pick literally sets which floor rate applies. And if the loan runs long, calendar one adult conversation per year: balance confirmed, schedule on track, everyone still fine.

Secured or Unsecured?

Most family loans are unsecured: the promise, the schedule, and the relationship are the collateral, and for most families that is the right call. Securing the loan (a lien on a car title, or a recorded deed of trust on real estate) turns a broken promise into a recoverable asset, and it is worth the extra paperwork in two cases: the loan is large relative to what you can afford to lose, or the borrower’s other creditors are a realistic worry (a properly recorded lien puts you in line ahead of unsecured creditors instead of behind everyone). The mechanics, security agreements, title liens, deeds of trust, and what “perfecting” a lien means, are covered in the general promissory note guide; for the family version, the decision rule is simpler: secure the loan when you would genuinely enforce the collateral, and don’t dress the note in liens you know you’d never use.

When Payments Stop: Default, Family-Style

Write the escalation ladder into the note and then actually climb it in order.
Step one is the grace window (Section 4): a missed payment triggers a written note and 15 days, not a phone call from an offended relative.
Step two is restructuring: if the borrower’s situation genuinely changed, re-cut the schedule in a signed one-page amendment, longer term, smaller payment, and reprint Exhibit A; a restructured loan that performs beats a “defaulted” loan that poisons two households.
Step three is acceleration and collection, and honesty matters here: suing family is miserable, which is why the note’s real function is preventing the ambiguity that makes lawsuits necessary. If it truly comes to enforcement, an unsecured note within your state’s limit is a clean small claims case, the note and payment record are the whole trial.
Step four is forgiveness, done deliberately: forgiving the balance converts it to a gift when forgiven (Section 7’s signed-writing rule keeps that clean), and lenders planning around inheritances should coordinate the note with their will, because an outstanding note is an estate asset your executor must deal with, whether that means collecting it or forgiving it on the record.

Common Family-Loan Mistakes

No paper because “it’s family.” The paper is what protects the family part. Zero percent by default. Above $10,000, 0% quietly becomes imputed interest and gift accounting; the AFR is usually cheap enough that charging it is the simpler kindness. Round-number improvisation: “$500 when you can” is not a schedule; the amortization table is the difference between a loan and an allowance. Lender forgets the interest is income. Report it; the note’s schedule makes the number trivial to find. Down-payment loans hidden from the mortgage lender. Underwriters ask directly whether the down payment is borrowed; disclose, or convert honestly to a documented gift. Repayment routed around a bankruptcy. Insider repayments within a year of a filing can be clawed back; if the borrower is sliding toward insolvency, get advice before accepting catch-up payments. Forgiving informally. Un-papered forgiveness leaves the borrower legally owing money everyone “agreed” was forgiven, the exact ambiguity the note existed to kill.

Frequently Asked Questions

Does a family loan really need interest?

Loans of $10,000 or less generally escape the below-market rules, so 0% is fine there. Above that, charge at least the month’s Applicable Federal Rate or the tax law imputes the interest anyway; up to $100,000, a borrower with minimal investment income blunts the effect, but the clean answer is charging the AFR.

Where do I find the current AFR?

The IRS publishes it monthly on its Applicable Federal Rates page, in short-term, mid-term, and long-term tiers. Use the tier matching your loan’s length for the month you sign, and write both the rate and that month into the note.

Is a signed family promissory note legally enforceable?

Yes. A promissory note is an enforceable contract between relatives exactly as between strangers: signed writing, stated amount, stated terms. Enforcement for unsecured notes typically runs through regular court or small claims, where the note plus the payment record is the entire case.

What happens to the loan if the lender dies?

The note is an asset of the lender’s estate: the executor collects remaining payments or distributes the note itself, unless the lender’s will forgives it. Lenders who intend forgiveness at death should say so in the will explicitly rather than leaving heirs to argue about intent.

Can we change the terms later?

Yes, with a signed amendment and a reprinted schedule. Families restructure loans all the time; the discipline is doing it in writing so the “current deal” is never a memory contest.

Do we need a notary or witness?

Usually not for validity; signatures alone bind. Notarizing larger notes is cheap insurance against later he-said-she-said about the signing, and secured loans’ collateral documents (like a deed of trust) do have recording formalities of their own.

Lend Like a Bank, Love Like a Family

The families that survive lending money to each other are not the ones who trusted hardest; they are the ones who wrote the deal down and let the paper do the awkward parts. Pull this month’s AFR, fill in the note, print the schedule, sign two copies, and then go back to being relatives, with the loan running quietly in the background where it belongs.

David Miller

David Miller writes about small business and LLC formation for ClearLegalTips. He focuses on making business registration, S-corp elections, and seller’s permits understandable for new founders handling them without a lawyer.