S-Corporation and Partnership Basis Tracking: Form 7203 and K-1 Basis Workflow for Practitioners

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Basis is the number that determines whether a pass-through loss is deductible today or suspended until a future year, whether a distribution is a nontaxable return of capital or a taxable capital gain, and whether a debt repayment triggers ordinary income recognition. It should be computed every year, for every shareholder and partner. In practice, it frequently is not, and the resulting errors compound quietly across multiple open tax years before they surface in an audit, an amended return request, or a new-client intake conversation. This guide walks through the mechanics of S-corp basis under Form 7203 and partnership outside basis, the ordering rules that govern both frameworks, and a structured reconstruction process for new clients whose basis history has not been maintained.

All statutory references are to the Internal Revenue Code as currently in effect. Treasury regulation citations and IRM guidance should be verified against current versions before being relied on in any client matter. The OBBBA provisions referenced in Section 7 of this guide are recently enacted and subject to ongoing regulatory interpretation; verify current rules at IRS.gov before advising on any Section 199A matter.

This guide is for informational purposes only and does not constitute legal or tax advice. Basis computations are fact-specific; the general principles described here must be applied to the particular facts of each client's situation.

Why Basis Matters (and Why It Gets Mishandled)

Basis is the measure of a taxpayer's investment in an entity. The concept is fundamental to pass-through taxation: losses from an S-corporation or partnership flow through to the owner's individual return, but they are only deductible to the extent the shareholder or partner has basis. Losses in excess of basis are suspended under IRC 1366(d) for S-corps and IRC 704(d) for partnerships, carried forward to future years, and deducted when basis is restored. Distributions reduce basis first; distributions in excess of remaining basis are not a nontaxable return of capital but a taxable capital gain event. Getting these numbers wrong produces incorrect returns in both directions: losses claimed without sufficient basis, and distributions that should have generated capital gain treated as nontaxable.

The IRS significantly increased audit focus on S-corp and partnership basis after decades of widespread basis tracking failures. The response on the S-corp side was structural: Form 7203 was introduced and first required for the 2021 tax year. Its purpose is to force annual basis reporting by S-corp shareholders, creating a paper trail that the IRS matching system can cross-reference against K-1 amounts. Before Form 7203, a practitioner who was not maintaining a separate basis schedule could allow a loss to pass through to Schedule E without any formal basis computation on file. That gap is now closed on the S-corp side.

Partnerships do not have an equivalent required form. Partnership outside basis (the partner's basis in the partnership interest) is tracked by the practitioner on a separate schedule maintained outside the return, without any analog to Form 7203. The absence of a required form does not reduce the obligation to maintain the computation; it simply means the tracking discipline rests entirely on the preparer.

The most common failures in practice are: loss deductions taken without verifying that sufficient basis exists; distributions treated as nontaxable return of capital when basis has already been reduced to zero; failure to track S-corp stock basis and debt basis separately (these are two distinct pools with different rules governing their use and restoration); and omission of suspended losses from prior years when computing current-year deductibility.

New S-corp clients starting a basis computation from scratch should also confirm that the S election itself is valid. See the Form 2553 late election guide for the relief procedures available when an S election was filed late or contains defects.

S-Corporation Basis: Stock Basis vs. Debt Basis

S-corp shareholders maintain two separate basis pools: stock basis and debt basis. They are not interchangeable. Losses reduce stock basis first; once stock basis reaches zero, losses may reduce debt basis, but only up to the amount of the shareholder's actual loans to the corporation. The two pools are restored in reverse order. Each pool has its own ordering rules.

Stock Basis

Stock basis begins with the amount the shareholder paid for the stock at formation or acquisition (initial investment), tracked from the first year of S-corp status established by the election (see the S-corp election and Form 2553 guide). It is then adjusted each year in the following sequence, which the ordering rules under IRC 1366(d)(1) and the Treasury regulations require to be applied in a specific order:

  • Increases: The shareholder's pro-rata share of ordinary income from the S-corp increases stock basis. Separately stated income items increase basis as well, including capital gains and, in limited circumstances, tax-exempt income. Excess depletion also increases basis.
  • Decreases (in order): Distributions are applied first, before any loss or deduction reduces basis. Non-deductible, non-capital expenses are applied next. Ordinary loss and separately stated loss items follow. Deductions not subject to other limitations are applied last.

Stock basis cannot go below zero. Losses in excess of stock basis (and any available debt basis) are suspended under IRC 1366(d) and carried forward to the first year in which the shareholder has sufficient basis to absorb them.

The ordering rule for distributions matters more than practitioners sometimes appreciate. Because distributions reduce basis before losses are applied, a shareholder who takes a large distribution in a year when the corporation also has a loss may find that the distribution has consumed all remaining stock basis, leaving no basis against which the loss can be deducted. The loss is then suspended even though the corporation had a loss year and the shareholder received a K-1 showing the allocation. This scenario is particularly common in S-corp entities where the shareholder takes draws throughout the year without monitoring the running basis balance.

Debt Basis

Debt basis is available only when the shareholder has made a direct loan to the S-corporation. The shareholder must be the actual creditor, meaning the corporation has a bona fide debt obligation running directly to the shareholder. A personal guarantee of a third-party bank loan does not create debt basis under existing authority; the guarantor is contingently liable but has not advanced funds. This distinction has been litigated repeatedly, and the current state of the law is that guarantees alone are insufficient. Verify the current state of this rule before advising a client whose basis claim rests on a guarantee.

Once stock basis has been reduced to zero, losses can flow through against the shareholder's debt basis, up to the face amount of the qualifying loans. Debt basis is reduced by those losses, creating a situation where the shareholder's debt basis is lower than the face amount of the note.

When the corporation subsequently has income, basis is restored in a specific order: debt basis is restored first (to the extent it was reduced by prior-year losses), and stock basis is restored thereafter. This restoration ordering mirrors the use ordering: debt basis is the secondary pool, so it is both the last to be used and the first to be restored.

FREQUENTLY MISSED: ORDINARY INCOME ON DEBT REPAYMENT

When an S-corp repays a shareholder loan at a time when the shareholder's debt basis is less than the face amount of the note (because prior-year losses reduced the debt basis), the repayment in excess of the remaining debt basis is recognized as ordinary income by the shareholder, not capital gain. This is one of the most frequently missed items in S-corp practice. It arises in every situation where: the shareholder loaned money to the corp, the corp had losses that reduced the shareholder's stock basis to zero and then reduced the debt basis, the corp later recovered, and then the corp repaid the loan. The taxable amount is the repayment amount minus the remaining debt basis on the date of repayment. Verify this treatment under IRC 1367 and the related Treasury regulations before finalizing any return involving a shareholder loan repayment.

Form 7203: Mechanics and Required Disclosures

Form 7203, S Corporation Shareholder Stock and Debt Basis Limitations, is required when any of the following apply to an S-corp shareholder's return for the year: (1) the shareholder claimed a loss, deduction, or credit from the S-corp; (2) the shareholder received a distribution from the S-corp; (3) the shareholder disposed of S-corp stock during the year; or (4) the shareholder received a loan repayment from the corporation. The form is not optional when any of these conditions are met, and the IRS matching system cross-references the Form 7203 amounts against the K-1 data the S-corp filed.

The form has three parts. Part I tracks stock basis: it opens with the prior-year ending stock basis as the current-year beginning balance, applies income increases, applies distribution and loss decreases in the required statutory order, and produces the ending stock basis. Part II tracks debt basis, with a separate schedule for each qualifying shareholder loan: beginning debt basis, increases from income used to restore debt basis in years following a reduction, decreases from losses, and ending debt basis for each note. Part III records current-year distributions and loan activity.

The form must be completed before the loss deduction is allowed on Schedule E. A loss that flows from the S-corp K-1 to Schedule E without a completed Form 7203 in the file is not properly substantiated. The prior year's Form 7203 ending balances are the starting point for the current year's computation. Practitioners taking over a new S-corp client should obtain any prior-year Form 7203 filings from the predecessor preparer as part of the engagement intake.

Suspended losses from prior years under IRC 1366(d) are not entered fresh into the current year's return; they carry forward from the prior Form 7203 and are deductible in the first year in which the shareholder has sufficient stock or debt basis to absorb them. The carryforward amount and the year in which basis was exhausted should be documented in the workpapers. For related S-corp compensation issues that interact with the basis framework, see the S-corp reasonable compensation guide.

Partnership Outside Basis: The Parallel Framework Without the Form

Outside basis is the partner's basis in the partnership interest itself (as distinct from inside basis, which is the partnership's basis in its own assets). There is no Form 7203 equivalent for partnerships. Outside basis is tracked by the practitioner on a separate schedule, maintained year over year, and updated with each K-1. For guidance on allocation errors that affect the K-1 figures that feed into the basis computation, see the K-1 allocation errors and BBA amendment guide.

The starting point for outside basis is the amount the partner paid for the partnership interest, plus the partner's initial share of partnership liabilities under IRC 752. From that starting point, outside basis is:

  • Increased by: The partner's distributive share of partnership income and separately stated income items, additional capital contributions, and increases in the partner's share of partnership liabilities.
  • Decreased by: Distributions (cash first, then property at fair market value), the partner's distributive share of losses, and decreases in the partner's share of partnership liabilities.

Outside basis cannot go below zero. Losses in excess of outside basis are suspended under IRC 704(d) and carried forward, available in future years when the partner's outside basis is restored.

The Three-Layer Loss Limitation Test

Partnership losses face three sequential limitation layers, each of which must be satisfied before the loss is deductible. Outside basis under IRC 704(d) is only the first. Practitioners who stop at the basis layer are incomplete in their analysis.

Layer 1: Basis (IRC 704(d))

Losses are deductible only up to the partner's outside basis. This is the ceiling established by the partner's economic investment. Losses above this amount are suspended and carried forward.

Layer 2: At-Risk (IRC 465)

Even if a partner has outside basis, the at-risk amount may be lower. Outside basis includes the partner's share of all partnership liabilities, including nonrecourse debt that does not qualify as at-risk. A partner can have basis but no at-risk amount if the basis is attributable to nonrecourse borrowing that fails to meet the at-risk definition. The at-risk limitation is applied after the basis ceiling and produces a separate, potentially lower loss limit.

Layer 3: Passive Activity (IRC 469)

Even if the partner clears both the basis and at-risk layers, losses from passive activities are deductible only against passive income. If the partner does not materially participate in the partnership (and no grouping election applies), the partnership's losses are passive losses, deductible only to the extent of passive income from other sources. Unused passive losses are suspended and released upon a fully taxable disposition of the interest. Document the analysis at each of the three layers before reporting the loss.

Liabilities and Outside Basis Under IRC 752

Partnership liabilities increase partner outside basis under IRC 752, but the amount allocated to each partner depends on the nature of the liability and the terms of the partnership agreement. Recourse liabilities increase only the basis of the partner or partners who bear the economic risk of loss for that debt, determined under the constructive liquidation analysis in the Treasury regulations. Nonrecourse liabilities are allocated among all partners under IRC 752 and the related regulations, generally according to the partnership's profit-sharing ratios (with adjustments for minimum gain and IRC 704(c) items). Qualified nonrecourse real estate debt under IRC 465(b)(6) may create at-risk basis for partners in real estate partnerships.

REGULATORY HEDGE: IRC 752 LIABILITY ALLOCATION

Partnership liability allocation rules under IRC 752 are complex and depend on the specific partnership agreement, the nature of the debt, the economic risk of loss analysis, and any elections in effect. Verify the allocation methodology against current IRC 752 regulations and any applicable guidance specific to the partnership structure before finalizing basis computations. Do not apply a default allocation ratio without confirming it against the operative agreement and the constructive liquidation analysis required by the regulations.

The Distribution Issue: When Return of Capital Becomes Taxable

For S-corp shareholders, distributions reduce stock basis dollar-for-dollar after current-year income increases are applied (and before loss decreases, per the statutory ordering rule). A distribution that exceeds the shareholder's remaining stock basis is taxable to the shareholder as capital gain under IRC 1368. There is no mechanism to defer or avoid this gain; the excess is a taxable event in the year of the distribution.

For partners, cash distributions in excess of outside basis are taxable as capital gain under IRC 731. Property distributions in excess of basis are subject to a different computation that also results in gain recognition. Partnership distributions in excess of basis are not common in practices where basis is tracked diligently, but they appear regularly in situations where basis tracking has been neglected for several years, cash has been distributed annually, and the accumulated distributions have driven the outside basis to zero without the practitioner or client recognizing it.

The high-risk scenario is a client who has been a partner or S-corp shareholder for many years, has received annual distributions, and has never had basis formally computed. When the practitioner reconstructs the basis history, it is common to discover that the outside basis or stock basis reached zero in a prior year. From that point forward, every distribution in excess of that zero balance should have been reported as capital gain. The question of whether those prior-year amounts remain open under the statute of limitations determines what corrections are available and required.

For open years, the practitioner must compute the taxable portion of each distribution and determine whether amended returns are required. For closed years, the IRS's ability to assess additional tax is generally barred (subject to fraud and substantial omission exceptions). The basis for the oldest open year may need to be agreed upon with the IRS as a practical starting point. Document the methodology and any limitations that flow from the statute in the client file.

Basis Reconstruction for New Clients

When a new client arrives without a basis schedule, the practitioner's first obligation is to build one. The reconstruction must go back to the date the interest was acquired, or to the oldest open year if the earlier history is irrecoverable and the practitioner must accept an agreed-upon starting point. The following process applies to both S-corp and partnership interests, with entity-specific steps noted where the frameworks diverge.

Gather all prior-year K-1s

Obtain every K-1 issued to the client for this entity going back to the acquisition date. If original K-1s are unavailable, reconstruct from tax return history, IRS transcript data, or by requesting copies from the entity. The K-1 is the annual data feed for basis; every year a K-1 is missing is a gap in the reconstruction.

Establish the initial basis

Determine what the client paid for the interest, including any assumed liabilities at acquisition. For S-corp interests, this is the purchase price of the stock. For partnership interests, this is the contribution amount plus the partner's initial share of partnership liabilities. If the client acquired the interest through gift or inheritance, the basis rules differ and should be verified before proceeding. For S-corp clients, check whether the client has a prior Form 7203 or a prior practitioner's basis schedule; if so, that document's ending balance is the starting point for the oldest year being reconstructed.

Reconstruct each year in sequence

Working from oldest to most recent, apply the income/loss/distribution/liability adjustments in the correct statutory order for each year. For S-corps, maintain separate stock basis and debt basis schedules. Apply distributions before losses (per the IRC 1366 ordering). For partnerships, apply all liability changes each year, as shifts in the partner's share of recourse or nonrecourse debt affect the basis computation even in years with no taxable income or loss.

Identify the composition of liabilities for partnership interests

For each year in the reconstruction, identify whether partnership liabilities were recourse or nonrecourse, verify the allocation under the partnership agreement, and confirm the methodology against the IRC 752 regulations. Liability shifts can increase or decrease basis in years when no income or loss is allocated to the partner. Verify the allocation methodology against current regulations and any applicable guidance before finalizing basis computations.

Document suspended losses

For any year in which losses exceeded available basis, identify the suspended amount, record the year of suspension, and carry those losses forward. Suspended losses are deducted in the first year in which the client has sufficient basis. If a suspended loss was incorrectly deducted in a prior year (because the basis computation was never done), that error must be evaluated for correction in any open year.

Review each year for ordinary income on S-corp debt repayment

For S-corp clients, review every year in which the corporation repaid a shareholder loan. Compare the repayment amount against the shareholder's debt basis as of the repayment date. If debt basis was reduced by prior losses, any repayment exceeding the remaining debt basis is ordinary income. Flag each such year and determine whether the income was properly reported on the original return.

Reconcile the reconstruction against any existing Form 7203 or basis schedule

If a prior Form 7203 or basis schedule exists, reconcile the reconstructed figures against those documents. Note and resolve discrepancies before finalizing the reconstruction. A discrepancy that cannot be resolved with supporting documentation is a workpaper item that must be addressed before the current-year return is filed.

Handle negative results transparently

If the reconstruction produces a year where distributions or other downward adjustments drive the basis below zero, do not zero out that number silently and move forward. Document the specific adjustment that caused the negative result, compute the taxable gain that should have been recognized in that year, and determine whether the year is open or closed. For open years, an amended return may be required. For closed years, accept the zero floor as the carryforward basis and document the limitation.

OBBBA Interaction: Section 199A and Basis

The One Big Beautiful Bill Act made Section 199A permanent and adjusted the qualified business income deduction thresholds. The specific provisions are recently enacted and subject to ongoing regulatory interpretation; verify the current thresholds, phase-in ranges, and any modifications to the W-2 wage and unadjusted basis limitations at IRS.gov before advising any client on the 199A deduction. Do not rely on this guide or any prior-year reference for the specific dollar figures. For the full interaction between entity-level income, W-2 wages, and the 199A calculation, see the Section 199A QBI OBBBA guide.

The interaction between basis tracking and the QBI deduction is a point practitioners should understand clearly. Losses suspended under IRC 1366(d) (S-corp) or IRC 704(d) (partnership) do not reduce QBI in the year they are suspended. The suspended loss is held outside the QBI computation until it is released by a restoration of basis. In the year the loss is ultimately deducted, it reduces QBI based on the income and deduction figures for that year; the prior-year suspension has no direct effect on the QBI deduction in the release year. The OBBBA's changes to Section 199A do not alter the basis tracking framework itself; basis continues to be determined under IRC 1366 and 704, not under Section 199A. The two frameworks operate in sequence: basis governs whether the loss is deductible at all, and Section 199A governs whether the income from the pass-through entity qualifies for the deduction.

Regulated Claims and Verification Notice

VERIFY BEFORE RELYING

The following items must be verified before relying on them in any client matter: (1) Partnership liability allocation rules: verify against current IRC 752 regulations and any applicable guidance specific to the partnership structure. (2) Debt basis and guarantee rules: while the general rule is that a personal guarantee does not create debt basis, this area has been subject to litigation; verify the current state of the law for any specific situation. (3) OBBBA Section 199A provisions: verify current thresholds and rules at IRS.gov. (4) Basis reconstruction methodology: the order of adjustments described in this guide follows IRC 1366 and 704 as interpreted under existing Treasury regulations; verify any material adjustments against the current regulations and IRM before advising. (5) Ordinary income on debt repayment: verify treatment under current IRC 1367 and related regulations before reporting or advising on any shareholder loan repayment.

  • S-Corp Reasonable Compensation Practitioner Guide: Salary requirement analysis, IRS audit standards, and the interaction between officer compensation and S-corp distributions.
  • Section 199A QBI Deduction OBBBA Practitioner Guide: QBI computation, W-2 wage and property limitations, the SSTB exclusion, and the OBBBA's permanent extension and threshold changes.
  • K-1 Allocation Errors and BBA Amendment Guide: How to identify and correct Schedule K-1 allocation errors under the Bipartisan Budget Act centralized partnership audit regime.
  • Form 2553 Late S-Corp Election Relief Guide: Relief procedures for late S elections, IRS requirements, and the interaction with Form 8832 for entity classification.
  • IRC 751 hot assets unrealized receivables and TD 10048 Form 8308 guide: Partnership basis tracking and IRC 751 hot assets both come into play when a partnership interest is sold, and this complementary guide covers the ordinary income recharacterization on the hot asset component, the substantially appreciated inventory test, and the TD 10048 Form 8308 Part IV reporting requirement.
  • S-corp distributions AAA OAA accumulated adjustments account IRC 1368 ordering guide: Once stock basis is tracked on Form 7203, the IRC 1368 ordering rules determine how each distribution is taxed; this guide covers the AAA and OAA accounts, the AEP dividend tier, and the return of basis and capital gain treatment.
  • IRC 705 and 752 Partnership Outside Basis Guide: The Form 7203 S-corp basis tracking concepts parallel the partnership outside basis framework under IRC 705; practitioners who advise both entity types benefit from both guides.
  • Loss Limitation Ordering Rules: IRC 465, 469, 461(l), and 172 Guide: Basis limitation (IRC 704(d) for partnerships and IRC 1366(d) for S-corps) is layer 1 in the five-layer stack; basis tracking on Form 7203 and partnership basis schedules feeds directly into the ordering analysis.
  • IRC 465 At-Risk Rules: Partnership and S-Corp Loss Limitations Guide: S-corp shareholder basis (Layer 1, tracked on Form 7203) and at-risk amount (Layer 2, tracked on Form 6198) are separate computations applied in sequence; practitioners who track Form 7203 basis also need to track Form 6198 at-risk amounts.
  • S-Corp Reasonable Compensation: IRS Examination and Employment Tax Guide: S-corp basis tracking (Form 7203, Layer 1 in the loss limitation stack) and reasonable compensation are the two primary S-corp-specific compliance obligations for shareholder-employees; practitioners who track basis for S-corp clients also advise on compensation structure and IRS examination risk.
  • IRC 1366 and IRC 1367: S-Corp Income Passthrough and Basis Adjustment: Covers the statutory passthrough mechanics under IRC 1366, the separately stated and non-separately stated item taxonomy, the IRC 1366(d) basis loss limitation, and the Reg. 1.1367-1(f) ordering rules for IRC 1367 basis adjustments -- the doctrinal foundation that Form 7203 tracks in practice.
  • IRC 1377: S-Corp Terminating-Year Election and Closing of Books: When a shareholder departs mid-year and the IRC 1377(a)(2) closing-of-books election is made, Form 7203 must be completed using only the passthrough items allocated to the pre-termination short year -- the election creates two separate allocation periods, each with its own income, loss, deduction, and credit items, and the departing shareholder's final Form 7203 tracks only the first-period items.
  • IRC 72(t): Early Distribution Penalty and Exceptions: S-corp shareholders who take loans from qualified plans rather than distributions often do so to avoid both income inclusion and the IRC 72(t) additional tax; when a plan loan is treated as a deemed distribution under IRC 72(p), the deemed distribution is subject to IRC 72(t) just as an actual distribution would be; practitioners tracking S-corp basis under Form 7203 should also track any plan loans the shareholder holds to avoid missed IRC 72(t) triggers.
  • IRC 1378: S-Corp Required Tax Year and Section 444 Election: Form 7203 tracks stock and debt basis through the S-corp's permitted tax year; a fiscal year S-corp operating under a Section 444 election reports basis adjustments on a fiscal year basis, and Form 7203 must reflect the fiscal year passthrough items rather than a calendar year stub; shareholders of fiscal year S-corps should be particularly careful to match their Form 7203 basis periods to the fiscal year K-1 reporting periods rather than the calendar year.

Frequently Asked Questions

What is the difference between S-corp stock basis and debt basis?

Stock basis is the shareholder's total investment in S-corp equity, starting with the purchase price and adjusted each year for income, losses, and distributions. Debt basis is a separate pool that arises only when the shareholder makes a direct loan to the corporation; it allows the shareholder to deduct losses beyond the point where stock basis has been reduced to zero. A personal guarantee of a third-party loan does not create debt basis. The two pools are reduced by losses in sequence: stock basis first, then debt basis. Both are tracked separately on Form 7203, with a distinct schedule for each qualifying loan in Part II.

Does a personal guarantee of an S-corp loan create debt basis for the shareholder?

No, under existing authority, a personal guarantee of a third-party loan to an S-corporation does not create debt basis for the guaranteeing shareholder. Debt basis requires that the shareholder be the actual lender to the corporation: the shareholder advanced funds directly and the corporation has a bona fide debt obligation to the shareholder. Merely guaranteeing a bank loan does not create that relationship. This area has been subject to litigation; verify the current state of the law for any specific situation, particularly where the client's loss deduction turns on this issue.

What is Form 7203 and when is it required?

Form 7203, S Corporation Shareholder Stock and Debt Basis Limitations, is an IRS form first required for the 2021 tax year that S-corp shareholders must attach to their individual returns under specified circumstances. It is required when the shareholder (1) claimed a loss, deduction, or credit from the S-corp; (2) received a distribution; (3) disposed of S-corp stock; or (4) received a loan repayment from the corporation. Part I tracks stock basis, Part II tracks debt basis on a per-loan basis, and Part III records current-year distributions and loans. The form must be completed before any loss deduction flows to Schedule E.

How is partnership outside basis different from S-corp basis?

S-corp basis is tracked on Form 7203, a required annual disclosure attached to the shareholder's return. Partnership outside basis has no equivalent required form; it is maintained by the practitioner on a separate schedule. Partnership outside basis also includes the partner's share of partnership liabilities under IRC 752, which has no direct analog in the S-corp framework. Additionally, partnership losses face two further limitation layers below the basis ceiling: the at-risk rules under IRC 465 and the passive activity rules under IRC 469. All three layers must be tested in sequence before any partnership loss can be deducted.

What happens when a distribution exceeds a shareholder's basis?

For S-corp shareholders, distributions reduce stock basis dollar-for-dollar after current-year income increases are applied. A distribution in excess of remaining stock basis is taxable as capital gain under IRC 1368 in the year of the distribution. For partners, cash distributions in excess of outside basis are taxable as capital gain under IRC 731. In both cases, the excess is a current-year taxable event, not a deferred obligation. When a practitioner discovers that a client has been taking distributions without tracking basis and the basis reached zero in a prior year, the correct approach is to reconstruct the history and compute the taxable amount for each affected open year.

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