Sirius Solutions: The January Limited-Partner Tax Ruling Was Later Withdrawn

Current status: The Fifth Circuit withdrew its January 16, 2026 Sirius Solutions opinion on August 12 and replaced it with an opinion under the renamed case, K Alain. The original limited-liability-based test is not the court’s operative holding. This analysis retains its January 17 editorial date and explains the later change in this October 25 update.

The two January and August court-issued opinions must be distinguished. In the replacement, a limited partner for this tax exception is a partner who plays no significant role in managing or running the business. Some nonmanagerial participation may be consistent with that definition. The court remanded for the partners’ actual roles to be assessed; it did not decide that the disputed income was exempt.

The dispute concerned distributive shares, not just the entity’s name

The business was a Houston consulting partnership organized as a limited liability limited partnership. The tax dispute concerned whether partners’ distributive shares for 2014–2016 were included in net earnings from self-employment. The IRS adjustments included $5,915,918 for 2014 and $7,372,756 for 2015 in net earnings. Those figures were income adjustments, not the amount of tax owed. January opinion, pages 2–4; August opinion, pages 3–4.

Section 1402(a)(13) excludes a limited partner’s distributive share received as such, but retains specified guaranteed payments for services under section 707(c). The contested question was who qualifies as a limited partner for that federal exception. State-law organization, the kind of payment and the partner’s actual role each mattered to the competing interpretations.

The January majority emphasized limited liability

The Tax Court had applied Soroban Capital Partners LP v. Commissioner, 161 T.C. 310, 320 (2023), which read the exception as referring to passive investors. That interpretation supplied the legal basis for the adjustments Sirius challenged. The August opinion recounts that history on page 4.

In Sirius Solutions, L.L.L.P. v. Commissioner, 165 F.4th 374 (5th Cir. 2026), the January majority relied on the term’s historical meaning, including 1977-era definitions and administrative materials. It treated limited liability as the central characteristic of a limited partner. It also read the words as such and the guaranteed-payment provision as recognizing that a person could act in different capacities. January opinion, pages 5–24.

The January majority rejected the passive-investor interpretation outright. It reasoned that the guaranteed-payment carveout presupposes some services and that Congress could have expressly excluded service providers. It separately read “as such” to address a person acting in both general- and limited-partner capacities. January pages 12–16. Footnote 1 expressly reserved LLCs and LLPs from the question addressed.

The dissent focused on the partners’ work and the federal tax context

Judge Graves relied on stipulated facts: The partners worked exclusively for Sirius, devoted substantial time to it, performed client work and business development, supervised and assigned staff, negotiated engagements and participated in hiring, evaluation and termination. Although the agreement said limited partners would not manage or control the business, their actual functions supported his contrary view of their status. January dissent, page 45.

The disagreement was substantive: Which characteristics made a partner limited for this tax provision? It was not simply a dispute about whether the partnership had completed its state-law paperwork. The dissent’s account also shows why records of actual authority and conduct became important after rehearing.

The August replacement made management the dividing question

The replacement grounded its interpretation in the term’s public meaning when Congress enacted the exception in 1977. It used contemporaneous legal dictionaries and the 1916 Uniform Limited Partnership Act’s control rule, carried forward in the 1976 revision. It also read Plasteel Products Corp. v. Helman, 271 F.2d 354, 356 (1st Cir. 1959), as allowing lesser involvement short of control. These were the majority’s reasons for distinguishing management from some participation. August pages 5–8.

On August 12, the panel granted rehearing, denied rehearing en banc, withdrew the January opinion and substituted K Alain, L.L.L.P. v. Commissioner, No. 24-60240. The replacement defined a limited partner as one who plays no significant role in managing or running the business. It allowed that some nonmanagerial participation could fit the exception. August opinion, pages 1, 5–10.

The revised management inquiry replaced January’s limited-liability test. The court also criticized the IRS’s departure from decades of liability-based instructions; any instructions had to fit the statutory text’s 1977 meaning. It vacated and remanded for application of the new interpretation. August pages 10–11.

Judge Graves again dissented. He emphasized that the parties had stipulated the partners would fail the Tax Court’s functional test and challenged the majority’s new distinction. Those were arguments against the new test, rather than a majority finding applying that test to each partner. August dissent, pages 12–26.

What a California reader should take from the change

The published August decision supplies the Fifth Circuit’s governing interpretation; January’s withdrawn opinion is part of the history. A California matter requires identification of the forum and governing appellate authorities before choosing a filing position. The practical review should therefore establish both the partner’s role and the legal framework applicable to that proceeding.

For a classification review, collect the governing documents, returns, K-1s, payment categories and records showing who actually ran the business during the tax years. Our guide to the management record explains that preparation. Do not amend a return or stop reporting self-employment income merely because a summary cites the withdrawn January opinion.