Imputed Interest on Below-Market Loans and Notes
Separate GAAP present-value accounting from Section 7872 tax treatment, calculate note discount and forgone interest, and avoid mixing the entries.
Quick answer
Imputed interest describes interest recognized despite a missing or below-market stated rate. For GAAP, a long-term note can be measured at present value and its discount amortized through interest income or expense. For federal tax, Section 7872 can deem transfers and interest on specified below-market loans.
Quick answer: one phrase covers two separate frameworks
Do not carry a GAAP discount calculation directly into a tax answer. The accounting rate, applicable federal rate, loan category, timing, exceptions, and resulting entries or deemed transfers come from different rules.
Worked example: discount a zero-interest note
- 1Assume a $100,000 noninterest-bearing note is due in three years and the problem supplies a 5% market rate. Present value is $100,000 divided by 1.05 cubed, or about $86,384. The $13,616 difference is the initial discount.
- 2In an illustrative note-receivable entry, debit Note Receivable for its $100,000 face, credit Discount on Note Receivable for $13,616, and credit the account representing the underlying asset disposition or revenue for $86,384. The exact underlying account depends on the transaction facts.
- 3Year 1 effective interest is approximately $86,384 times 5%, or $4,319. Debit the discount and credit Interest Revenue, increasing carrying amount toward face value. Then try free FAR practice and keep the present-value timeline visible.
| Step | Calculation | Amount |
|---|---|---|
| Face amount due in year 3 | Given | $100,000 |
| Present value at 5% | $100,000 / 1.05^3 | $86,384 |
| Initial note discount | $100,000 - $86,384 | $13,616 |
| Year 1 interest revenue | $86,384 x 5% | $4,319 |
| Event | Account | Debit | Credit |
|---|---|---|---|
| Issue note for asset or revenue in the example | Note Receivable | $100,000 | |
| Issue note for asset or revenue in the example | Discount on Note Receivable | $13,616 | |
| Issue note for asset or revenue in the example | Asset disposition or revenue | $86,384 | |
| Recognize year 1 interest | Discount on Note Receivable | $4,319 | |
| Recognize year 1 interest | Interest Revenue | $4,319 |
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Find My Weak AreasSolve federal below-market-loan tax separately
Section 7872 distinguishes demand and term loans and identifies relationship categories such as gift, compensation-related, and corporation-shareholder loans. It can treat forgone interest as transferred and retransferred under rules that depend on that classification.
For a simplified demand-loan illustration, $50,000 at a hypothetical 4% applicable rate produces $2,000 of benchmark interest. If only $500 is payable, the arithmetic difference is $1,500. That is not a universal tax answer: use the actual AFR, compounding, dates, category, limitations, and exceptions.
Apply tax doctrine with the TCP section hub and free TCP practice. Use the FAR section hub for note measurement and the 2026 CPA Exam Blueprints for the current section boundary. This page owns the concept bridge, while section-level scope stays with those routes.
- 1Read the instrumentIdentify face amount, payments, term, stated rate, parties, and transaction substance.
- 2Solve the GAAP modelUse the stated accounting facts to measure present value and apply the interest method.
- 3Classify the tax loanSeparately test demand or term status and the Section 7872 relationship category.
- 4Apply current tax inputsUse the applicable AFR, timing rules, exceptions, and consequences supplied by law and facts.
Recognize the demand-loan and term-loan fork
| Input | Illustrative amount | Purpose |
|---|---|---|
| Demand-loan principal | $50,000 | Hypothetical teaching fact |
| Hypothetical AFR interest | $50,000 x 4% = $2,000 | Use the actual applicable rate in a real problem |
| Interest actually payable | $500 | Stated loan term in the example |
| Illustrative forgone interest | $2,000 - $500 = $1,500 | Tax consequences still depend on category and exceptions |
Protect the adjacent owners
Use bond amortization for premium, discount, and effective-interest schedules on bonds. This owner uses a note only to explain below-market measurement and the separation between accounting and tax.
Use deferred tax for temporary differences, tax bases, and deferred tax assets or liabilities. A book-tax difference may arise, but this page does not calculate the related deferred tax without complete enacted-rate and reversal facts.
On a mixed question, label each line GAAP or federal tax before computing. That single separation prevents a market discount from becoming an AFR and prevents a deemed tax transfer from becoming an unsupported journal entry.
Frequently asked questions
What is imputed interest?
Imputed interest is interest recognized or treated as paid even when a stated rate is absent or below the applicable rate. Financial accounting can discount a note using a market rate, while federal tax law can apply Section 7872 or other rules. Those analyses are related but not interchangeable.
How is forgone interest calculated for a below-market demand loan?
In the simplified Section 7872 framework, forgone interest is the interest that would be payable at the applicable federal rate minus interest actually payable. The exact AFR, compounding, loan category, timing rules, and exceptions must come from the current law and facts.
Is there one journal entry for every interest-free loan?
No. A note issued for property, an employer-employee loan, a shareholder loan, and a gift loan can produce different accounting or tax consequences. Identify the parties, substance, term, stated rate, market rate, and governing framework before recording an entry.
Sources
- 2026 Uniform CPA Examination Blueprints (retrieved 2026-08-11)
- FASB PCC memo: Interest method guidance in the Codification (retrieved 2026-08-11)
- 26 U.S.C. Section 7872: Treatment of loans with below-market interest rates (retrieved 2026-08-11)
- IRS Publication 550: Investment Income and Expenses (retrieved 2026-08-11)
- IRS Publication 537: Installment Sales (retrieved 2026-08-11)