S Corp Separately Stated Items: Examples, K-1 Reporting, and Basis

On an S corporation Schedule K-1, separately stated items are the specific pieces of income, loss, deduction, and credit that the corporation must report on their own lines rather than fold into ordinary business income. The rule comes from IRC Section 1366(a)(1), and the test is simple: if reporting an item separately could change the tax liability of any shareholder, it has to be broken out.¹ Everything else gets combined into a single number the statute calls nonseparately computed income or loss, which most people know as ordinary business income.

The reason this matters is that shareholders face different rates, limits, and phase-outs on the same type of income. Bundle a capital gain into ordinary income and the shareholder loses the preferential rate. Bundle a charitable contribution into deductions at the entity level and the shareholder’s personal AGI-based limits never get applied. Separate statement keeps that information alive.

Why the Character of Each Item Is Preserved

Section 1366(b) backs up the separate-statement rule with a character rule: each item keeps the tax character it had in the hands of the corporation, as if the shareholder had earned or incurred it directly from the original source.² A long-term capital gain at the entity level is a long-term capital gain on the shareholder’s Form 1040. A charitable contribution stays a charitable contribution, subject to the shareholder’s own percentage limits. The corporation locks in the character; the shareholder applies the limitations.

That split of responsibility is the whole point. The corporation does not know, and should not try to guess, how much net investment income a given shareholder has, or whether that shareholder actively participates in rental real estate, or how close they are to a QBI threshold. It hands over clean, labeled numbers.

Income and Gain Items That Get Broken Out

Capital Gains and Losses

Capital gains and losses are split into short-term and long-term components based on the corporation’s holding period. Shareholders combine those figures with their own personal capital transactions on Schedule D of Form 1040.³ That netting determines whether the shareholder ends up with a net gain taxed at preferential rates or a net loss subject to the $3,000 annual deduction cap.

Section 1231 Property

Gains and losses from Section 1231 property, generally depreciable business assets and real property held for more than a year, follow their own rules. When net Section 1231 gains exceed losses for the year, the net is treated as long-term capital gain. When losses exceed gains, the net is treated as an ordinary loss, which is more favorable because ordinary losses are not subject to the capital loss cap.⁴ Depreciation recapture is reported separately as well, since that portion is taxed as ordinary income regardless of the overall Section 1231 result.

Portfolio Income

Interest, dividends, royalties, and annuities from the corporation’s investments are stated separately from business income. Portfolio income is not the same as passive income; the Code specifically excludes portfolio income from the passive activity rules.⁵ That distinction matters because passive losses generally cannot offset portfolio income. A shareholder hoping to apply rental losses against the corporation’s dividend income would come up short.

Qualified dividends get their own K-1 line so shareholders can apply the lower qualified dividend rates where they apply. Portfolio income is also subject to the 3.8% Net Investment Income Tax when the shareholder’s modified AGI crosses the applicable threshold.⁶

Rental Real Estate Income and Loss

Net rental real estate income or loss gets its own line because rental activity is generally passive regardless of how much time the shareholder spends managing it. Passive losses can only offset passive income, with a limited exception for shareholders who actively participate in rental real estate and fall under the applicable modified AGI phase-out.⁵ None of these shareholder-level calculations work if rental results are buried inside ordinary income.

Deductions That Get Broken Out

Section 179 Expense

The Section 179 deduction lets a business immediately write off the cost of qualifying property placed in service during the year.⁷ The corporation reports the amount it elected to expense, but the shareholder faces a separate limitation at the personal level: the deduction cannot exceed the shareholder’s taxable income from all active trades or businesses. A shareholder with limited business income may not be able to use the full amount, and any unused portion carries forward on the shareholder’s return. The expense has to be stated separately because that income test can only happen on the 1040.

Charitable Contributions

Charitable donations made by the corporation do not reduce its ordinary business income. They pass through to each shareholder, who deducts them subject to AGI-based percentage limits on the personal return. Cash contributions to qualifying public charities, for example, are generally limited to 60% of the shareholder’s AGI. Netting the contribution at the entity level would bypass those personal limits entirely.

Investment Interest Expense

Investment interest expense is deductible only up to the shareholder’s net investment income. Shareholders compute the allowable amount on Form 4952, with any excess carrying forward.⁸ The limitation is personal to each shareholder, so the corporation has to pass through the raw number.

Foreign Taxes Paid

Income taxes paid to a foreign government flow through separately because each shareholder decides whether to claim the amount as a deduction or as a foreign tax credit. The credit is typically more valuable, but it carries its own limitation based on the ratio of foreign-source to worldwide income, and that math happens on the shareholder’s return.

Credits, Tax-Exempt Income, and Nondeductible Expenses

Tax credits, including the research credit, the low-income housing credit, and the work opportunity credit, pass through as separately stated items.⁹ Credits reduce tax dollar-for-dollar, each one has its own eligibility rules, and the corporation calculates the amount while the shareholder determines whether they can actually use it.

Tax-exempt income, most commonly municipal bond interest, does not show up on the shareholder’s taxable return but still passes through separately because it increases stock basis. Section 1366 explicitly includes tax-exempt income in the list of items that pass through.¹

Nondeductible expenses are the mirror image. Fines, penalties, the non-deductible portion of meals, and similar items reduce the shareholder’s stock basis without producing a deduction. If they stayed invisible, basis would be overstated, which eventually leads to excess loss deductions or understated gain on a stock sale.

Health Insurance for More-Than-2% Shareholders

This one catches owners regularly. If the corporation pays health or accident insurance premiums for a shareholder who owns more than 2% of the stock, the premiums go into the shareholder’s W-2 wages in Box 1. The premiums are not subject to Social Security or Medicare taxes, as long as the plan covers a class of employees rather than only the owner.¹⁰

The payoff is an above-the-line deduction on the shareholder’s Form 1040, available whether or not they itemize. Botch either side of this, by leaving the premiums off the W-2 or by missing the above-the-line deduction, and the shareholder either overpays FICA or leaves a deduction on the table.¹⁰

How Separate Statement Affects the QBI Deduction

The Section 199A qualified business income deduction allows eligible taxpayers to deduct up to 20% of qualified business income from pass-through entities. Not every dollar on the K-1 counts. Capital gains and losses, certain dividends, and investment income are excluded from QBI.¹¹

Separate statement is what makes the exclusion workable. Because capital gains, dividends, and investment income appear on their own K-1 lines, the shareholder (or their software) can strip those items out of the 199A calculation. If they were mixed into ordinary business income, the QBI figure would be inflated and the deduction wrong.

Where Each Item Appears on the K-1

The S corporation files Form 1120-S each year and issues a Schedule K-1 to every shareholder reporting their pro rata share.¹² Each separately stated item lands on a defined line:

Box 1: Ordinary business income or loss (the nonseparately computed amount)
Box 2: Net rental real estate income or loss
Boxes 4–6: Interest income, dividends (ordinary and qualified), and royalties
Boxes 7–8: Short-term and long-term capital gains or losses, including collectibles gains and unrecaptured Section 1250 gain
Box 9: Net Section 1231 gain or loss
Box 11: Section 179 deduction
Box 12: Other deductions, including charitable contributions and investment interest expense
Box 13: Credits, including the research credit, low-income housing credit, and work opportunity credit
Box 16: Items affecting shareholder basis, including tax-exempt income and nondeductible expenses

How These Items Flow Through Shareholder Basis

Every separately stated item moves through the shareholder’s stock basis calculation. Basis controls two things shareholders care about: how much loss they can deduct in the current year, and whether distributions are tax-free returns of capital or taxable events.¹³

The IRS requires basis adjustments in a specific order each year:¹⁴

Step 1. Increase basis for all income items reported on the K-1, including tax-exempt income.
Step 2. Decrease basis for cash and property distributions, but not below zero.
Step 3. Decrease basis for nondeductible expenses, such as fines and the non-deductible portion of meals.
Step 4. Decrease basis for deductible losses and deductions, again not below zero.

The ordering matters. Income is added before distributions come out, so a shareholder can receive a distribution in the same year the corporation earns income without triggering gain, even if beginning-of-year basis was low. Because losses come last, a shareholder may have enough basis to absorb distributions but nothing left to deduct losses against. Losses that exceed basis are suspended and carry forward until the shareholder restores basis through income or additional investment.¹⁴

An election is available to swap Steps 3 and 4, taking deductible losses before nondeductible expenses. This can help a shareholder with limited basis preserve more deductible losses, but once made it is permanent for that S corporation unless the IRS agrees to revoke it.

Shareholders use Form 7203 to track stock and debt basis year by year, feeding the K-1 numbers into the ordering rules.⁹ The K-1 does not get filed with the shareholder’s return, but it should stay with their records. Basis tracking errors compound, and they tend to surface during a stock sale or liquidation, years after the original mistake.

1
Office of the Law Revision Counsel. 26 USC 1366 – Pass-Thru of Items to Shareholders
2
Office of the Law Revision Counsel. 26 USC 1366 – Pass-Thru of Items to Shareholders
3
Internal Revenue Service. Schedule D (Form 1040) – Capital Gains and Losses
4
Office of the Law Revision Counsel. 26 USC 1231 – Property Used in the Trade or Business and Involuntary Conversions
5
Office of the Law Revision Counsel. 26 USC 469 – Passive Activity Losses and Credits Limited
6
Internal Revenue Service. Net Investment Income Tax
7
Internal Revenue Service. Depreciation Expense Helps Business Owners Keep More Money
8
Internal Revenue Service. Form 4952 – Investment Interest Expense Deduction
9
Internal Revenue Service. 2025 Shareholders Instructions for Schedule K-1 (Form 1120-S)
10
Internal Revenue Service. S Corporation Compensation and Medical Insurance Issues
11
Internal Revenue Service. Qualified Business Income Deduction
12
Internal Revenue Service. About Form 1120-S, U.S. Income Tax Return for an S Corporation
13
Internal Revenue Service. S Corporation Stock and Debt Basis
14
Internal Revenue Service. Instructions for Form 7203