Notice 88-22: Section 988 Foreign Currency Sourcing and Elections

Section 988 of the Internal Revenue Code treats gains and losses from foreign currency transactions as ordinary income or loss rather than capital, sources them to the taxpayer’s residence, and measures them by the exchange-rate movement between the date a transaction is booked and the date it’s paid. The Section 988 foreign currency rules apply to debt instruments, accrued items, and forward-type contracts denominated in a nonfunctional currency, along with dispositions of the currency itself. A few narrow elections and a small personal-use threshold change the default, and large losses come with a separate disclosure requirement.

Which Transactions Section 988 Covers

A transaction falls inside Section 988 when the amount you’re entitled to receive or required to pay is denominated in, or determined by reference to, a nonfunctional currency. For most U.S. taxpayers the functional currency is the U.S. dollar, so anything denominated in euros, yen, pounds, or another foreign currency is in scope.¹

Three categories carry most of the traffic:

Debt instruments denominated in a foreign currency, whether you’re the holder or the obligor.
Items of income or expense that accrue in a foreign currency and are paid or received later.
Forward contracts, futures contracts, options, and similar instruments tied to a nonfunctional currency.

Disposing of the foreign currency itself also counts. If you hold euros in a bank account and later convert them to dollars at a different exchange rate, the gain or loss is a Section 988 event.¹

Ordinary Income, Not Capital Gain

The default rule is ordinary treatment. Even if the underlying instrument would otherwise be a capital asset, the currency component is ordinary. A forward contract on a foreign currency can sit in your hands as a capital asset, and the currency gain or loss on it is still ordinary.¹

The consequences are real. Capital losses only offset capital gains, plus up to $3,000 of other income per year for individuals. Ordinary losses have no such cap and can absorb any type of income. Ordinary gains, on the other hand, are taxed at your marginal rate rather than the lower long-term capital gain rates. For a business managing currency exposure day to day, ordinary treatment is usually the natural fit because losses fully offset operating income.

When You Can Get Capital Treatment

The Election for Forwards, Futures, and Options

Section 988 lets you elect capital gain or loss treatment on foreign currency forward contracts, futures contracts, and options, but only if the contract is a capital asset in your hands and is not part of a straddle. The timing is unforgiving: you must identify the transaction and make the election before the close of the day you enter into it. Miss that window and ordinary treatment locks in.¹

The election is internal. You document it in your own records rather than filing anything with the IRS on the day of the trade. That makes it easy to make and easy to botch. Without a clear contemporaneous record, proving the election was timely becomes hard if an examiner asks.

Personal Transactions and the $200 Threshold

Section 988 largely leaves personal transactions alone. Exchanging leftover foreign currency from a vacation is generally outside its scope. There is a threshold built in: gain from exchange rate changes on a personal disposition of nonfunctional currency is not recognized unless it exceeds $200. Cross that line and the entire gain is taxable as capital gain. Losses on personal foreign currency transactions are not deductible at all.¹

A “personal transaction” is one that isn’t connected to a trade, business, or investment activity. If the underlying expenses would be deductible as business or investment expenses, the transaction isn’t personal, and the ordinary rules apply in full.

Measuring the Gain: Booking Date to Payment Date

Section 988 isolates the currency component by looking at two dates. The booking date is when you acquire the debt instrument, become the obligor, or accrue the item of income or expense. The payment date is when the money actually moves. Whatever the exchange rate does between those two dates produces the Section 988 gain or loss.¹

This separates currency movement from the economics of the underlying deal. Lend money in euros and your interest income is characterized and sourced under normal rules. The currency swing between when principal is booked and when it’s repaid is a separate Section 988 item.

Where the Income Is Sourced

Section 988 gains and losses are sourced to the taxpayer’s residence, not to the currency or the location of the transaction. For a U.S. resident, foreign currency gains are U.S.-source income and foreign currency losses are U.S.-source losses.¹

This matters most for the foreign tax credit. Because Section 988 gains on a U.S. resident are U.S.-source, they can’t be sheltered by foreign taxes paid. The rule applies to the exchange component only; the underlying interest, rent, or other income keeps its own source.

The Qualified Business Unit Exception

The main carve-out involves a Qualified Business Unit, a separate and clearly identified unit of a trade or business that keeps its own books and records.² Exchange gains and losses attributable to a QBU are sourced to the country where its principal place of business sits, not to the owner’s residence.¹ The currency risk is generated by the foreign operations, so treating the resulting gain or loss as foreign-source keeps it available to match against foreign tax credits.

Hedging and Integration

Section 988(d) lets you integrate certain hedges with the foreign-currency position they cover. When a qualifying debt instrument and a currency hedge are treated as one integrated transaction, no separate currency gain or loss is recognized on either leg. The combined position is taxed as a single synthetic instrument based on the integrated yield.¹

To qualify, the hedge must be entered primarily to manage currency risk on property held or to be held, or on borrowings made or to be made, and it must be properly identified. Treasury Regulation Section 1.988-5 sets out the mechanics for a “qualified hedging transaction,” which pairs a qualifying debt instrument with a hedge meeting specific requirements.³

Hedged Executory Contracts

Integration also reaches executory contracts, such as an agreement to buy property in a foreign currency at a future date. Hedge that contract, identify the hedge properly, and amounts paid or received under the hedge are treated as paid or received under the executory contract itself. If you dispose of the hedge before the contract settles, gain or loss on the hedge adjusts the basis of the property or the income from services under the contract.³

The Section 1256 Overlap

Regulated futures contracts and nonequity options that would be marked to market under Section 1256 are excluded from Section 988 by default. They follow Section 1256 instead, which means 60/40 blended capital treatment (60% long-term, 40% short-term) and year-end mark-to-market.¹

You can elect out of the exclusion and pull those contracts back into Section 988 ordinary treatment. The election has to be made on or before the first day of the tax year, or the first day you hold such a contract if later. In a partnership, each partner elects individually. Once made, it applies for that year and all future years unless the IRS consents to revocation.¹

Forex traders in major currency pairs through interbank markets often face this choice directly. If you expect net gains, the 60/40 rate under 1256 usually wins. If you expect net losses, ordinary treatment under 988 is more valuable because those losses can offset any type of income.

Reporting and the Form 8886 Trap

Individuals report Section 988 ordinary gains and losses on Schedule 1 of Form 1040. If you’ve elected into Section 1256 treatment, reporting moves to Form 6781 and flows through to Schedule D.

A separate disclosure obligation catches a lot of people. A Section 988 foreign currency loss is a “loss transaction” requiring Form 8886 disclosure once the gross loss reaches $50,000 in a single tax year for an individual or trust. The threshold applies whether the loss is direct or flows through from a partnership or S corporation.⁴ Failing to file Form 8886 carries its own penalties, separate from any tax underpayment.

Good records are the backbone here: exchange rates on the booking and payment dates, amounts in both currencies, and a contemporaneous note of any election made.

Penalties for Getting It Wrong

Misreporting Section 988 items can trigger the accuracy-related penalty under Section 6662, equal to 20% of the underpayment attributable to negligence or a substantial understatement. For individuals, an understatement is substantial if it exceeds the greater of 10% of the tax that should have been shown on the return or $5,000.⁵

The recurring mistakes are the same ones the rules are designed to prevent: characterizing ordinary Section 988 losses as capital losses to soak up capital gains, missing the same-day deadline on the capital gain election, and skipping Form 8886 on a large loss. Reasonable cause and good-faith reliance on professional advice are available defenses, but the burden of showing the error wasn’t negligent falls on you.

1
Office of the Law Revision Counsel. 26 USC 988 – Treatment of Certain Foreign Currency Transactions
2
Office of the Law Revision Counsel. 26 USC 989 – Other Definitions and Special Rules
3
eCFR. 26 CFR 1.988-5 – Section 988(d) Hedging Transactions
4
Internal Revenue Service. Disclosure of Loss Reportable Transactions
5
Internal Revenue Service. Accuracy-Related Penalty