Article

ASC 740: Q3 2026 provision considerations

Accounting for income tax considerations for the third quarter of 2026

October 12, 2026
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Federal tax Business tax Pillar two International tax

Executive summary: Updates and considerations for 2026 Q3 tax provisions

Companies preparing their Q3 2026 tax provisions should evaluate the impact of recent federal, international and state tax developments on their income tax provision for the period. Key considerations include the impacts of recently issued proposed regulations providing guidance on changes to international tax provisions of the OBBBA, section 162(m) changes, state tax law developments, OECD Pillar Two implementation and changes to income tax disclosures becoming effective for non-public companies in 2026.


Income tax provision considerations for Q3 2026

More than a full year after the enactment of the One Big Beautiful Bill Act (OBBBA), the Treasury Department and the IRS are busy issuing regulatory packages to clarify key provisions of the law. Most notably, there were significant developments related to international tax  provisions of OBBBA in Q3, including proposed regulations issued with guidance around net CFC tested income (NCTI), foreign-derived deduction-eligible income (FDDEI), subpart F income, section 987, and related foreign tax credits (FTCs). In short, for multinational entities, the Q3 2026 income tax provision may warrant a second look at the various items of new guidance.

Legislative changes to deductible compensation under section 162(m)

  • OBBBA: The OBBBA, enacted in 2025, applies controlled group rules to the limitation on executive compensation under section 162(m), effective for tax years beginning after Dec. 31, 2025 – commonly, calendar year 2026. Amounts paid to a covered officer by any of the controlled group members must be aggregated for purposes of calculating the limitation. The controlled group members would then be required to allocate the limitation on a pro rata basis, according to their share of compensation paid. Given recent and expected future IPO activity involving UP-C structures, where a public entity acquires a partnership, these changes may become more relevant in 2026 and future years.

  • ARPA: In 2021, the American Rescue Plan Act (ARPA) expanded the definition of covered employees. This change is effective for tax years beginning after Dec. 31, 2026 – commonly, calendar year 2027. Entities must now evaluate up to the next five highest-compensated individuals, which could be officers or employees, to determine if their compensation exceeds the $1 million threshold for the tax year. Because the law was enacted in 2021, companies should consider whether their deferred tax assets related to equity-based and other deferred compensation arrangements are accurately stated as soon as feasible, if they have not already done so.

Return-to-provision adjustments

ASC 250-10-45-17 requires that changes in estimates be recognized in the period in which they become known. Accordingly, even if federal tax returns are still being finalized as of Sept. 30, companies should evaluate the effect on the interim financial statements of identified differences between the amounts expected to appear on the tax return and the prior-year provision. These adjustments should be treated as discrete items in the quarter rather than incorporated into the annual effective tax rate. There could be secondary impacts – changes to the interest limitation under section 163(j), charitable contributions, net operating losses, state tax liabilities or any other items that rely on taxable income – that may not be known until after quarter-end, which may result in companies including additional return-to-provision adjustments in the year-end provision.

International tax

The Treasury Department and the IRS issued several proposed regulations during the third quarter of 2026 that may affect multinational companies’ tax calculations, forecasts and related disclosures. The guidance addresses the recognition of section 987 foreign currency gain or loss, section 250 deduction for FDDEI, the allocation of controlled foreign corporation (CFC) income among U.S. shareholders and the allocation and apportionment of expenses for section 951A-related FTC and FDDEI purposes.

Updates from the Financial Accounting Standards Board (FASB)

FASB issued Accounting Standards Update (ASU) 2026-03 — Fair Value Measurement (Topic 820): Investment Companies with Equity Securities Subject to Contractual Sale Restrictions — on Sep. 9, 2026. The update requires investment companies specifically (as defined in Topic 946, Financial Services – Investment Companies) to account for contractual restrictions on sales of equity securities when measuring those securities at fair value. This is a change from the previous standard where this was not required. Read more in RSM’s article FASB issues valuation guidance for investment companies.

Adoption of ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, is on the horizon for private companies, which should be considering their plan for adoption before year-end. The private company requirements continue to allow a qualitative rate reconciliation disclosure; however, companies need to ensure they accumulate the required data and perform many of the underlying calculations to comply with the enhanced disclosure requirements. Additionally, companies that have previously disclosed a numerical rate reconciliation table may want to consider whether they will continue to do so after reviewing the new requirements.

ASU 2023-09 also requires additional disaggregated disclosures of income taxes paid (refunded) into its federal, state and local and foreign components, and by jurisdiction if certain thresholds are met. Further disclosures of income tax expense and income (loss) from continuing operations are also required. Discussions with financial statement auditors should be initiated before year-end to avoid delays in the issuance of financial statements. Read more about the requirements under ASU 2023-09 in RSM’s whitepaper: ASU 2023-09-Expanded Income Tax Disclosure Requirements and RSM’s Accounting Brief: ASU 2023-09 Planning Considerations

State tax

Although activity has slowed during the third quarter of 2026, states are continuing to address conformity with OBBBA. Additionally, other items such as Public Law 86-272, state tax rate changes and other routine changes are beginning to resurface. Companies should continue to monitor these tax law changes to ensure any impacts are accounted for in the financial statements in the period of enactment. A detailed discussion on recent state tax law changes, as well as their impacts under ASC 740, can be found in our tax alert: State corporate income tax law changes for the third quarter of 2026.

Global tax compliance updates: OECD Pillar Two and country-specific changes

The following section includes key global tax law updates contributed by RSM’s global teams.

Status of Pillar Two

On Sept. 11, 2026, the OECD/G20 Inclusive Framework released a Pillar Two implementation package consisting of (1) an updated GloBE Information Return (GIR), (2) new administrative guidance addressing explicitly conditional taxes and qualified domestic minimum top-up tax (QDMTT) fiscal-period mismatches, and (3) a legislative peer review framework for evaluating the consistency of local Pillar Two regimes with the GloBE rules. The updated GIR incorporates changes arising from the January 2026 side-by-side package, including permanent safe harbors, related elections, and additional reporting requirements intended to improve consistency and administration across jurisdictions.

The accompanying administrative guidance clarifies that taxes that apply solely because a taxpayer is subject to a foreign income inclusion rule (IIR) or undertaxed profits rule (UTPR) generally are not treated as covered taxes for GloBE purposes. The guidance also clarifies the operation of the QDMTT safe harbor where local financial accounting standards are used and the local fiscal period does not align with the ultimate parent entity's fiscal year. In addition, the OECD released the Terms of Reference and Assessment Methodology for full legislative peer review, establishing a framework under which Inclusive Framework members will assess whether domestic IIR, UTPR, and QDMTT legislation is consistent with the GloBE model rules, commentary, and administrative guidance. Multinational groups operating in jurisdictions that have adopted Pillar Two rules should evaluate whether the guidance affects existing Pillar Two calculations, compliance processes, data gathering requirements, or tax provision assumptions. Companies also should continue to monitor jurisdiction-specific implementation of the guidance, particularly with respect to QDMTTs, the treatment of taxes that may be considered explicitly conditional under the OECD framework and developments arising from the OECD’s legislative peer review process.

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