Court upholds IRS microcaptive reporting rule
CIC Services LLC v. IRS. USDC for the Eastern District of Tennessee. Docket No. 3:25-cv-00146.
A federal Court upheld the IRS’s 2025 rule requiring disclosure of certain §831(b) microcaptive insurance arrangements, confirming the agency’s authority to flag them as reportable transactions without eliminating the underlying tax benefit.
Holding
The U.S. District Court for the Eastern District of Tennessee granted summary judgment for the government and upheld Treasury and IRS regulations that classify certain §831(b) microcaptive insurance arrangements as “listed transactions” or “transactions of interest” requiring disclosure.
The Court rejected claims that the rule exceeded IRS authority or violated the Administrative Procedure Act.
Why It Matters
Major compliance impact for captive insurance users. The ruling preserves IRS disclosure requirements for many small captive insurance structures.
Confirms IRS authority to require reporting. The Court emphasized that identifying potentially abusive transactions and requiring information reporting fall squarely within the IRS's statutory powers.
No change to the underlying §831(b) tax benefit. The regulations do not deny the tax election for small insurance companies. They only trigger disclosure obligations.
Signals continued enforcement focus. The Court relied heavily on recent Tax Court cases disallowing microcaptive arrangements that failed to qualify as real insurance.
Key Facts
CIC Services helps businesses form and manage captive insurance companies that elect to be taxed under §831(b).
In 2016, the IRS issued Notice 2016-66, designating certain microcaptive transactions as “transactions of interest.”
A federal Court later invalidated that notice for failure to follow APA notice-and-comment procedures.
In 2025, Treasury and the IRS issued new regulations through formal rulemaking that again classified certain microcaptive arrangements as reportable transactions.
CIC challenged the rule, arguing that it exceeded the IRS's authority and was arbitrary and capricious.
Statutory and Regulatory Framework
Key provisions governing the dispute:
§831(b) allows certain small insurance companies to exclude limited premium income from taxation.
§162(a) allows businesses to deduct insurance premiums as ordinary business expenses.
§6011 authorizes the Treasury to require the reporting of transactions involving potential tax-avoidance risk.
§6707A and §6708 impose penalties for failure to disclose reportable transactions.
Treasury regulations define categories, including:
Listed transactions
Transactions of interest
The challenged rule identifies certain microcaptive structures that must be disclosed.
Arguments
Taxpayer argued
The regulations effectively impose new eligibility requirements for §831(b) benefits.
Treasury exceeded its statutory authority.
The rule lacks sufficient factual support.
The rule is arbitrary and capricious under the APA.
IRS concerns about microcaptives are a pretext to eliminate the tax election.
Government argued
The rule does not change eligibility for §831(b).
It only requires disclosure of potentially abusive transactions.
Congress expressly authorized the Treasury to require such reporting.
The administrative record supports the rule.
Court’s Reasoning
Congress gave the Treasury broad authority under §6011 to require reporting of transactions involving potential tax-avoidance risk.
The regulation does not deny §831(b) tax benefits. It only triggers reporting obligations.
Courts must independently evaluate statutory authority after Loper Bright, but the rule falls within the Treasury’s delegated powers.
The administrative record included multiple Tax Court decisions showing abuse of microcaptive structures.
These cases provided factual support for the IRS’s concern about tax avoidance.
Treasury reasonably explained the rule’s three screening factors for identifying suspect arrangements.
Even if the rule captures some legitimate transactions, over-inclusiveness does not make a regulation arbitrary.
CIC’s claim of agency pretext failed because the administrative record showed a rational enforcement objective.
The Regulatory Tests at Issue
The final rule identifies transactions based on three factors.
1. 20 Percent Relationship Test
A captive is flagged if at least 20 percent of the insurer’s ownership or assets are linked to the insured or related parties.
Purpose: isolate closely related captive arrangements with higher abuse risk.
2. Financing Factor
Triggers disclosure if premium funds are later returned to the insured or related entities through loans or other financing arrangements.
Purpose: identify situations where premiums circulate back to the insured without tax.
3. Loss Ratio Factor
Captives may be flagged if:
claims and loss expenses are less than 30 percent of premiums, indicating low claims activity relative to premiums.
Purpose: identify arrangements where premiums appear artificially inflated.
Result
The Court denied CIC’s motion for summary judgment and granted the government’s motion, allowing the IRS microcaptive reporting regulations to remain in effect.
The Takeaway
The decision preserves the IRS’s new microcaptive reporting regime after the earlier 2016 notice was struck down. Small captive insurance structures remain legal under §831(b), but many now face mandatory disclosure and potential audit scrutiny.
List of Citations
CIC Services LLC v. IRS (2026)
Federal district Court decision upholding the microcaptive reporting regulations.CIC Services LLC v. IRS, 593 U.S. 209 (2021)
Supreme Court decision allowing pre-enforcement challenges to IRS reporting rules.Avrahami v. Commissioner, 149 T.C. 144 (2017)
Landmark Tax Court case rejecting abusive microcaptive insurance arrangement.Caylor Land & Development v. Commissioner, T.C. Memo. 2021-30
Captive failed risk distribution and did not qualify as insurance.Swift v. Commissioner, T.C. Memo. 2024-13
Court held that captive premiums were economically meaningless.Patel v. Commissioner, T.C. Memo. 2024-34
Taxpayers failed to prove captive payments were legitimate insurance.

