Can the IRS Reject a Family LLC Discount? What Makes a Valuation Discount Defensible

The IRS can reject or reduce a family LLC discount, but it cannot disallow every discount simply because relatives own the entity. Whether the discount survives depends on 4 things: a real nontax business purpose, an entity that is actually run like one, no retained control or enjoyment over the transferred assets, and a discount percentage supported by a USPAP-compliant business valuation. This guide walks through each factor, the court decisions that shaped them, and what our team documents when we value interests in family LLCs and limited partnerships. For the broader mechanics of how these discounts are built, see our overview of valuation discounts for estate and gift tax.

Can the IRS Reject a Family LLC Discount?

Yes. The IRS can challenge the amount of a discount, the legal effect of a restriction in the operating agreement, or the entity itself. A discount is a valuation conclusion about a specific interest, not a fixed statutory percentage, so every part of it is open to examination.

The IRS has three main lines of attack:

The number: The appraisal uses unsupported, duplicated, or borrowed discount data that does not match the rights of the interest actually transferred.
The restrictions: Provisions in the agreement are disregarded under IRC 2703 or 2704 because they are not bona fide business arrangements or can be removed by the family.
The structure: IRC 2036(a) pulls the underlying assets back into the transferor's estate, which makes the discount irrelevant.

The third line is the most dangerous, and it gets its own section below.

Family Ownership Alone Is Not Fatal

Family control does not automatically erase a minority discount. Revenue Ruling 93-12 holds that when a donor gives minority interests to separate family members, each interest is valued on its own. The interests are not aggregated to treat each recipient as holding a controlling block.

That ruling is not a safe harbor. It sets no discount percentage, and it does not stop the IRS from attacking a noncommercial structure, a restriction that must be disregarded, retained enjoyment, or an unsupported appraisal.

The baseline standard is fair market value: the price at which property would change hands between a willing buyer and a willing seller, neither under compulsion, both with reasonable knowledge of the facts. Treas. Reg. 20.2031-1 states it for estate tax, and the gift tax regulations under 26 C.F.R. 25.2512-1 state it for gifts. A buyer of a minority, non-marketable LLC interest would price in what that interest lacks, which is the logic behind a discount for lack of control and a discount for lack of marketability.

Why IRC 2036(a) Can Make the Discount Moot

If IRC 2036(a) applies, the estate is taxed on the underlying assets at their date-of-death value, so the entity-level discount never comes into play. This is why 2036(a) is usually the real battleground in family LLC and FLP disputes, not the discount percentage.

Section 2036(a) pulls a lifetime transfer back into the gross estate when the transferor kept either of the following:

Possession or enjoyment: The right to the income from, or the use of, the transferred property (2036(a)(1)). An implied agreement counts, even if nothing is written down.
Control over who enjoys it: The right, alone or with others, to designate who possesses or enjoys the property or its income (2036(a)(2)).

There is an exception. Section 2036(a) does not apply to a bona fide sale for adequate and full consideration. Courts read that to require a legitimate and significant nontax purpose for creating the entity, supported by objective evidence, along with a real exchange of value for the interests received.

Example: A parent contributes $4,000,000 of marketable securities to a family LLC and receives a 99% interest. The parent keeps paying personal bills from the LLC account and the securities are never retitled. If a court finds an implied retained-enjoyment arrangement and no significant nontax purpose, the full $4,000,000 (at its date-of-death value) is in the estate. The valuation discount on the LLC interest becomes irrelevant.

Key takeaway: A well-supported discount protects you only if the structure survives 2036(a) first.

The 4 Factors the IRS and Courts Examine

1. A Legitimate and Significant Nontax Business Purpose

The bona fide sale exception turns on purpose, and a recited purpose is not enough. Courts look for objective evidence that the family actually pursued the stated goal.

Purposes that tend to hold up are those that show up in how the entity operates:

Centralized management of an operating business or investment portfolio
Consolidating fragmented ownership of real estate or business assets
A documented succession plan with governance steps that were later followed
Active management that required the pooled structure

Purposes that tend to fail are generic ones recited in the agreement, such as asset protection or family harmony, with no conduct behind them. A structure formed shortly before death, with the estate-tax benefit as the evident motive, invites the same result.

2. Respecting Entity Formalities

An LLC that exists on paper but not in practice gives the IRS its best facts. The record should show that the family treated the entity as separate from its owners.

The formalities courts and examiners look for include:

Separate accounts: The LLC has its own bank and brokerage accounts, and contributed assets are actually retitled in its name.
No commingling: Personal and entity funds are never mixed.
Pro rata distributions: Distributions follow ownership percentages and the operating agreement, not the personal needs of one owner.
No personal use of entity assets: If a family member uses entity property, there is a written lease or arm's-length terms and the rent is paid.
Records and approvals: Capital accounts, minutes or written consents, and tax filings are consistent with each other.

3. No Retained Control or Enjoyment

This is the 2036(a) test applied to the facts. The transferor should not keep so much of the economic benefit or control that the transfer looks like a paper exercise.

The warning signs are straightforward:

The transferor contributes nearly all of their assets and has too little left to live on
The entity pays the transferor's personal expenses, taxes, or debts
The transferor controls distributions, directly or through a general partner or manager they dominate
The transferor can, alone or with others, dissolve the entity or decide who receives its income

The Treasury regulations under IRC 2703 and 2704 add further exposure. A restriction that is not a bona fide business arrangement, or that the family can remove, may be disregarded in valuing the interest.

4. Market-Supported Discounts in a USPAP-Compliant Valuation

Even a respected entity needs a discount conclusion that can be traced to evidence. The appraisal should value the actual interest transferred, with its actual rights and restrictions, not a hypothetical one. A Tax Court decision discussed by Mercer Capital reaffirmed that value depends on the attributes of the interest being valued, and rejected an approach built on attributes the interest did not have.

A defensible report, prepared in accordance with USPAP by credentialed business appraisers (our team includes appraisers holding credentials with leading organizations such as the ASA and NACVA), will do the following:

Identify the exact interest, the valuation date, and the governing documents and amendments
Value the entity using methods suited to its assets and operations
Separate the discount for lack of control from the discount for lack of marketability and explain any overlap
Support each discount with market data and analysis tied to the subject interest
Explain why the selected comparables resemble the subject interest

This article does not suggest a percentage range, because none is a safe default. The number must come from the data for the specific interest.

What the Court Decisions Teach

The case law is fact-driven, but the pattern is consistent. The decisions below are framed by what each is generally cited for.

Estate of Strangi: The decedent transferred most of his assets to a family partnership yet kept relying on them for his needs. The courts found an implied agreement of retained enjoyment and no significant nontax purpose, with the estate-tax motive plain.
Estate of Bongard: The Tax Court set out the framework most later cases follow: a legitimate and significant nontax reason plus a real transfer of value. It respected one transfer that served a genuine business purpose.
Estate of Powell: The decedent could join the general partner to dissolve the partnership, which brought IRC 2036(a)(2) into play and pulled the assets into the estate.
Estate of Moore: Disregarded formalities and personal use of entity resources supported inclusion under 2036(a).
Estate of Holliday: Purposes stated in the documents were not enough without objective evidence that they drove the structure.

Watch out: None of these cases holds that family ownership defeats a discount. They hold that facts matter, and that a discount built on a structure the family did not respect will not survive.

Defensible vs. Vulnerable Facts

The table below contrasts facts that tend to support a family LLC discount with facts that tend to invite a challenge.

Issue	More defensible	More vulnerable
Purpose	Documented management or succession goal that was acted on	Generic recital, entity formed shortly before death
Funding	Transferor keeps ample assets outside the entity	Nearly all personal assets contributed
Accounts	Separate, retitled assets and clean books	Commingled funds, assets never retitled
Distributions	Pro rata and authorized by the agreement	Paid to meet one owner's personal needs
Use of assets	Arm's-length lease with rent actually paid	Free personal use by the transferor
Control	Transferor cannot dissolve or direct income alone	Transferor can dissolve alone or with a family-controlled manager
Restrictions	Bona fide, commercially credible, comparable to arm's-length terms	Last-minute amendment, family can remove them
Appraisal	Values the actual interest with traceable market support	Hypothetical interest, unsupported or duplicated discounts

What a Valuation File Should Document

A discount is strongest when the file answers the IRS's questions before they are asked. Estate returns generally require the appraisal to be attached, and the Form 706 instructions call for copies of appraisals .

A defensible valuation file should contain the following:

The operating agreement, all amendments, and the dates each was signed
A written statement of the nontax business purposes, with evidence the family acted on them
Proof of funding: deeds, retitled accounts, assignments, and contribution dates
Bank statements and ledgers showing separate accounts and no commingling
Distribution history showing pro rata payments under the agreement
Leases or other agreements for any personal use of entity property
Capital account records consistent with the ownership percentages in the appraisal
The appraisal itself, with its valuation date, interest valued, methods, comparables, and separate support for each discount
Consistent reporting across the transfer instrument, gift or estate return, and entity tax filings

Pro tip: Gather the entity records before the appraisal starts. Inconsistencies between the documents and the appraisal's assumptions are among the easiest things for an examiner to find.

Protect the Discount Before You Transfer

The IRS can reject a family LLC discount, but it rarely does so on family ownership alone. It wins when the nontax purpose is hollow, the formalities were ignored, the transferor kept the benefits, or the number has no evidence behind it. Each of those problems is easier to fix before a transfer than after an audit notice.

If you are planning a transfer of LLC or FLP interests, our team prepares USPAP-compliant business valuations that separate lack of control from lack of marketability and tie each conclusion to the interest and the records. You can request an appraisal and we will scope the engagement and quote a fixed fee before work begins.

This article is provided for general informational purposes only and does not constitute legal, tax, or financial advice. Readers should consult a qualified attorney or CPA regarding their specific circumstances.