A recent federal appeals court decision may significantly impact how self-employment tax applies to limited partners and potentially certain partnership structures. The Fifth Circuit Court of Appeals issued a ruling that challenges the IRS’s long-standing interpretation of when partnership income is subject to self-employment tax, creating potential planning opportunities for taxpayers operating in certain jurisdictions.
Understanding Self-Employment Tax in Partnership Structures
Owners of pass-through entities, including sole proprietors, partners in partnerships, and members of LLCs taxed as partnerships, typically do not receive W-2 wages from their businesses. Instead, they report their share of business income on their individual tax returns.
In many cases, this income is treated as self-employment income and subject to self-employment tax. Self-employment tax is generally imposed at a 15.3% rate, consisting of:
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12.4% Social Security tax, subject to an annually adjusted wage base, and
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2.9% Medicare tax on all applicable earnings
These taxes are imposed separately from federal and state income taxes.
However, Internal Revenue Code §1402(a)(13) provides an important exception. A limited partner’s distributive share of partnership income is generally excluded from self-employment income, except for guaranteed payments received for services rendered to the partnership.
Historically, determining who qualifies as a “limited partner” for purposes of this exception has been the subject of ongoing dispute between taxpayers and the IRS.
The Fifth Circuit’s Ruling in Sirius Solutions, L.L.L.P. v. Commissioner
In January 2026, the Fifth Circuit Court of Appeals issued its decision in Sirius Solutions, L.L.L.P. v. Commissioner. The court evaluated whether limited partners who actively participate in partnership operations remain eligible for the self-employment tax exception.
The IRS has traditionally taken the position that the exception should apply only to passive investors. Relying on prior Tax Court decisions, including Soroban Capital Partners LP v. Commissioner, the IRS advocated for a “functional analysis” that examines the partner’s level of participation in business operations.
The Fifth Circuit rejected that interpretation. Instead, the court focused on the statutory language of the Internal Revenue Code and concluded that Congress used the term “limited partner” as defined under state partnership law.
As a result, the court determined that state-law limited partner status may be sufficient to qualify for the self-employment tax exclusion, regardless of the partner’s level of activity in the business.
Implications for State-Law Limited Partnerships
For taxpayers operating within the Fifth Circuit, which includes Texas, Louisiana, and Mississippi, this decision may provide meaningful tax relief.
Individuals who qualify as limited partners under state law may not be required to pay self-employment tax on their distributive share of partnership income, even if they are actively involved in the partnership’s operations.
It is important to recognize that this ruling is binding only within the Fifth Circuit. In other jurisdictions, the IRS and courts may continue applying a participation-based analysis, potentially leading to different outcomes.
Considerations for LLC Structures
Most modern business entities are organized as limited liability companies rather than traditional limited partnerships. LLC members generally receive limited liability protection similar to limited partners; however, the tax treatment differs.
The IRS has historically maintained that active LLC members are subject to self-employment tax on their share of business income, allowing the limited partner exception only for members who are entirely passive investors.
The Fifth Circuit’s decision did not directly address LLCs. Nevertheless, the court’s emphasis on state-law classification could influence future litigation or planning strategies involving LLC structures.
Because LLC statutes typically allow members to participate in management without affecting liability protection, the IRS may continue distinguishing LLC members from limited partners. As a result, this area remains unsettled and potentially subject to further judicial or regulatory developments.
Structuring Opportunities: LLC as General Partner
Many investment funds and operating partnerships utilize a structure in which a limited partnership serves as the primary entity, while an LLC functions as the general partner responsible for management and operational control. Individual owners typically hold interests as limited partners.
Under the reasoning adopted by the Fifth Circuit, this structure may provide additional support for limited partner classification under state law, potentially allowing individual partners to benefit from the self-employment tax exception within the Fifth Circuit’s jurisdiction.
Taxpayers should be aware, however, that the IRS may still challenge such arrangements in other jurisdictions, particularly under substance-over-form or service partner theories.
Key Takeaways
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Limited partners in state-law limited partnerships operating within Texas, Louisiana, and Mississippi may qualify for exemption from self-employment tax on distributive income, even if actively involved in the business.
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The treatment of LLC members remains uncertain, and the IRS is likely to continue applying self-employment tax to active members.
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Partnership structures utilizing an LLC as general partner may provide planning opportunities, particularly within the Fifth Circuit.
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Additional litigation or regulatory guidance could further shape this area of tax law.
Looking Ahead
If other federal courts adopt reasoning similar to the Fifth Circuit, the impact could be substantial for investment funds, professional service firms, and closely held businesses that operate through partnership structures.
Conversely, conflicting rulings across jurisdictions could ultimately require resolution by Congress or the Supreme Court.
How We Are Advising Clients
Entity structure and partner classification can significantly affect overall tax exposure. As the legal landscape evolves, businesses should review their organizational structures and ownership arrangements to determine whether planning opportunities exist.
Tax outcomes depend heavily on specific facts and circumstances, and structural changes should be evaluated carefully before implementation.
At M. Kohn & Co., we work closely with business owners, partnerships, and organizations to help them understand how evolving tax rules impact real-world decisions. As new guidance and case law develop, we focus on practical clarity and thoughtful planning tailored to each client’s situation.
