M&A transactions tax consequences

 Mergers and acquisitions (M&A) transactions present a wide array of tax issues that must be carefully analyzed at both the federal and state/local levels, as well as in international contexts. The key tax issues related to M&A transactions include:

1. Federal Income Tax Treatment of the Transaction Structure

• The form of the transaction (asset purchase, stock purchase, merger, or divisive reorganization) determines the federal income tax consequences for both buyers and sellers. For example, certain corporate separations and reorganizations may qualify for nonrecognition of gain or loss under subchapter C of the Internal Revenue Code, provided specific requirements are met (e.g., sections 355, 361, 368).
• The IRS has proposed enhanced multi-year reporting requirements for corporate separations and related transactions to ensure compliance with nonrecognition provisions, requiring annual filings and record retention for up to five years after the transaction.

2. State and Local Sales and Use Taxes

• Sales and use taxes are often overlooked in M&A transactions but can have significant cost implications. The fact that a transfer is nontaxable for federal income tax purposes does not guarantee a similar exemption at the state or local level. States vary widely in their treatment of property transfers in mergers, acquisitions, and reorganizations, with some providing specific exemptions and others requiring detailed analysis to determine applicability of general exemptions.
• The complexity is heightened by the patchwork nature of state statutes, the expansion of the sales tax base, and aggressive assertion of nexus for use tax collection on interstate transactions. This makes early and rigorous analysis of sales and use tax exposure essential in M&A planning.

3. State and Local Income and Franchise Taxes

• State and local income tax consequences may differ from federal treatment, especially in states that do not fully conform to federal law or have unique apportionment, nexus, or unitary business rules. The impact of the transaction on state tax attributes (such as net operating losses or credits) must be considered.

4. International Tax Issues

• In cross-border M&A, issues such as transfer pricing, the use and availability of tax attributes (e.g., net operating losses, tax credits), and the impact of pre-closing reorganizations are critical. For example, in Brazil, the introduction of OECD-aligned transfer pricing rules and new minimum tax regimes (Pillar 2) have increased the complexity and risk of tax disputes in M&A transactions.
• Tax risks related to pre-closing reorganizations, state-level VAT incentives, and materialized tax liabilities under litigation are often excluded from warranty and indemnity insurance coverage, requiring careful due diligence and documentation.

5. Tax Due Diligence and Contingent Liabilities

• Comprehensive tax due diligence is necessary to identify potential exposures, including unresolved audits, uncertain tax positions, and contingent liabilities that may materialize post-closing. Warranty and indemnity insurance is increasingly used to manage these risks, but insurers often exclude or carve out certain tax risks that are difficult to quantify or are already under dispute.

6. Reporting and Compliance

• Enhanced IRS reporting requirements for certain reorganizations and separations (e.g., annual Form 7216 filings for section 355 transactions) are designed to improve compliance and allow the IRS to identify high-risk transactions.
• State and local reporting requirements may also apply, particularly for sales and use tax compliance.

7. Audit Risk and IRS Examination Programs

• The IRS has specialized audit programs for M&A transactions, including the Merger and Acquisition (M&A) Project, which assists field examiners in planning and examining selected M&A transactions. Large and complex transactions are subject to heightened scrutiny, and the IRS may use specialized teams to assess M&A-related tax issues.

Summary Tax issues in M&A transactions are multifaceted and require careful planning and due diligence. Key areas of concern include the federal and state/local tax treatment of the transaction structure, sales and use tax exposure, the preservation and use of tax attributes, international tax compliance, reporting obligations, and audit risk. Early identification and analysis of these issues are critical to avoid unexpected tax costs and ensure successful transaction outcomes

Proposed Treasury Regulations, IRS Proposed Rules (REG-116085-23, January 16, 2025) on Multi-Year Reporting Requirements for Corporate Separations and Related Transactions

Portfolio 1370-3rd: Sales and Use Taxes: Merger and Acquisitions, 01. INTRODUCTION, A. Overview

Warranty Insurers in M&A Adapt to Brazil’s Tax Contingencies

Tax Practice Series: Examination: Audits, Assessments, Appeals, Explanation, ¶3850.01.D. Specialized Audit Programs