The Billionaires Income Tax Act (H.R.5427) creates a new Part IV in subchapter E of the Internal Revenue Code to eliminate indefinite deferral of tax by very high‑income and very high‑net‑worth taxpayers. It requires annual recognition (mark‑to‑market) of gains on ‘‘tradable covered assets,’’ imposes a deferral‑recapture regime on transfers of nontradable assets (including many private assets and interests in pass‑throughs), and treats certain gifts, bequests and transfers in trust as deemed sales at fair market value with narrowly drawn exceptions.
Beyond mark‑to‑market and recapture, the bill forces additional tax and reporting changes: it alters how applicable entities and significant owners must report and adjust bases, disqualifies applicable taxpayers from several preferential treatments (for example, portions of the net investment income tax rules, the Section 1202 small‑business stock exclusion, and certain opportunity‑zone elections), establishes deferral recapture and a surcharge on large severance and deferred‑compensation payments, and adds new 6050‑style information returns for sizable deferred‑compensation and private‑placement life/annuity transactions. Most provisions apply to taxable years beginning after December 31, 2025.
At a Glance
What It Does
The bill defines ‘‘applicable taxpayers’’ (thresholds based on multi‑year AGI or asset tests) and requires annual recognition of appreciation in tradable covered assets and interest‑adjusted taxation when nontradable assets are transferred. It adds reporting and basis‑adjustment rules for pass‑through entities and tightens tax treatment of deferred compensation, private‑placement life/annuity contracts, and certain exclusions and elections.
Who It Affects
Individuals with multi‑year AGI above $100M or aggregate covered assets above $1B (lower thresholds for separate filers and trusts), estates and applicable trusts, significant owners of partnerships and S corporations, family offices, private‑placement insurers, qualified opportunity funds, and advisors who prepare valuations and tax filings.
Why It Matters
The measure replaces long‑standing tax deferral tools used by the ultra‑wealthy with annual recognition and an interest‑based ‘‘deferral recapture’’ on transfers, shifting compliance and liquidity considerations in wealth structures, increasing reporting burdens, and exposing many private assets to annual tax measurement for the first time.
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What This Bill Actually Does
H.R.5427 builds a new, self‑contained regime that treats wealthy taxpayers differently from ordinary filers. It creates the ‘‘applicable taxpayer’’ category using a three‑year lookback: generally an AGI test ($100M) or an asset test ($1B of covered assets), with scaled rules for trusts, nonresidents, and transitioning filers.
Once a taxpayer is ‘‘applicable,’’ tradable covered assets are treated as if sold at fair market value at each taxable year‑end (a taxable event), while transfers of nontradable assets trigger an immediate recognition rule plus a calculated deferral‑recapture charge meant to approximate tax that would have been paid had gains been taxed earlier.
The bill splits covered assets into tradable (public stock, readily tradable interests, derivatives tied to tradable investments, or assets with a reliable annual valuation) and nontradable (private equity, closely held business interests, private real estate, private placement contracts, and qualified opportunity fund investments). For nontradable assets, the statute treats many transfers—including classic ‘‘disregarded’’ nonrecognition events like certain 351/1031 exchanges and transfers into some grantor trusts—as taxable or recapture events; it computes a ‘‘deemed tax amount’’ allocated across historical holding periods and adds interest (using 6621(b) + 1 percentage point) to produce the deferral‑recapture amount.Pass‑throughs and tiered ownership get specific mechanics: applicable entities must report annual marked‑to‑market gains on tradable holdings and disclose gain, holding periods, and basis adjustments for nontradable transfers to significant owners (5% owners and holders of >$50M of nontradable interests).
Significant owners must include their share of entity‑level amounts on returns, and entities must notify upstream and downstream tiers when an applicable taxpayer has an interest. The bill also creates new reporting obligations (two new 6050‑style provisions): one requires reporting of large deferred‑compensation and severance payments (threshold indexed from $5M), and another requires insurers to report distributions under private‑placement life and annuity contracts; failures trigger existing information‑return penalties.Transition and elective rules are narrow: first‑year applicable taxpayers may elect limited deferral or to treat certain nontradable interests as tradable for valuation purposes (with irrevocable elections and basis adjustments), and certain grandfathering applies for assets acquired before Nov 30, 2025 for a small number of preferences.
Most changes are effective for taxable years beginning after December 31, 2025.
The Five Things You Need to Know
An individual becomes an ‘‘applicable taxpayer’’ if, for each of the prior three years, modified AGI exceeded $100,000,000 (or $50,000,000 for separate filers) or the aggregate applicable value of covered assets exceeded $1,000,000,000 (or $500,000,000 for separate filers).
Tradable covered assets are marked‑to‑market annually: holding such an asset at year‑end is a taxable event treated as a sale at fair market value and (except as limited) treated as long‑term capital gain/loss for character purposes.
Transfers of nontradable covered assets that would previously have been tax‑deferred trigger a ‘‘deferral recapture amount’’ equal to interest (using underpayment rates plus one point) on deemed historical tax allocations, limited to a specified percentage of the realized gain.
Applicable entities and significant owners must exchange notices and detailed reporting: entities must report gains, holding periods, and basis adjustments to significant owners, and significant owners must include their share of entity‑level reported gains on their tax returns. Failure to notify or file triggers required inclusion and potential penalties.
Two new information returns: section 6050AA requires reporting of payments over $5,000,000 of applicable deferred compensation/severance; section 6050BB requires insurers to report distributions under applicable private‑placement life or annuity contracts; both carry standard information‑return penalties. Effective dates generally apply to taxable years beginning after 12/31/2025.
Section-by-Section Breakdown
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Creates the statutory framework and taxable events
The bill inserts a new Part IV in subchapter E titled ‘‘Elimination of Deferral for Applicable Taxpayers’’ and lays out the architecture: Subpart A contains general rules for taxable events and transfers; Subparts B and C define ‘‘applicable taxpayer,’’ covered assets, tradable vs nontradable, and related tests. This structural insertion centralizes the anti‑deferral regime so later code references operate inside a single, coherent block rather than through scattered cross‑references.
Mark‑to‑market for tradable covered assets
Section 491 makes holding a tradable covered asset at a taxable year‑end a taxable event treated as if sold at fair market value on that date; gains and losses are recognized in that year and later realized gain/losses get proper basis adjustments. The statute preserves character rules where Congress intended noncapital character and tasks Treasury with rules to prevent gaming of holding periods and to address valuation sources for fair market value determinations.
Deferral recapture on transfers of nontradable covered assets
Section 492 forces recognition for many transfers of nontradable assets that formerly relied on nonrecognition exceptions and imposes a separately computed deferral recapture amount. The recapture calculation allocates realized gain across the taxpayer’s holding period, applies the then‑applicable statutory tax rates (and the net‑investment‑income rate where appropriate), and charges interest from the original year’s filing due date to the transfer date using section 6621(b)+1 point. The provision also contains loss coordination rules and special handling of corporate dividend and REIT capital‑gain distributions tied to underlying nontradable holdings.
Special rules for pass‑throughs, significant owners, and reporting
This section treats ownership interests in applicable entities as covered assets and requires ‘‘significant owners’’ (5% owners or those with >$50M in nontradable interests) to notify entities and comply with detailed reporting. Applicable entities must report each significant owner’s share of marked‑to‑market amounts, nontradable transfer gains, holding periods, and perform basis adjustments; tiered‑entity notice chains and rules prevent fragmentation of reporting. The Secretary gets authority to supply simplified methods, anti‑avoidance rules, and to set aggregation and allocation standards.
Gifts, bequests, and trusts: deemed sales and limited exceptions
Gifts, transfers in trust, and transfers at death by applicable taxpayers are generally treated as deemed sales at fair market value, with losses nonrecognized on gifts but special ordering rules to limit transferee windfalls. Grantor trusts, certain revocable arrangements, spousal transfers, charitable and qualified disability trust transfers, and pooled income/cemetery care transfers receive tailored exceptions. The section limits the step‑up at death for applicable taxpayers and instructs Treasury to issue basis‑consistency rules for transferees.
Who is an applicable taxpayer and transition/election mechanics
Section 495 sets the multi‑year income and asset thresholds and special rules for trusts, expatriates, and married‑filing statuses; it creates lookback periods and safe‑harbor elections for early termination of status. Section 496 provides transition mechanics for first‑year applicable taxpayers — limited five‑year installment options on initial net tax liabilities, elections to treat certain nontradables as tradable (or to treat tradable stock as nontradable under narrow caps), and rules to coordinate late pass‑through reporting with installment timing.
Deferred compensation, severance, and private‑placement life/annuity rules
The bill adds section 409B: applicable deferred compensation is subject to a deferral recapture interest charge and severance pay included in income is subject to a 10% surcharge on the payment amount; deferral period and allocation rules are specified. It creates information reporting (6050AA) for very large deferred‑compensation/severance payments (starting at $5M indexed), and imposes new tax and reporting rules for private‑placement life and annuity contracts (treating many distributions as taxable, adding a 10% additional tax where relevant, and removing the death‑benefit exclusion for applicable private‑placement contracts), plus insurer reporting (6050BB).
Limits to preferential regimes (1202 and Opportunity Zones)
Section 231 narrows Section 1202 by denying the small‑business stock exclusion to applicable taxpayers for gains on stock sold on or after November 30, 2025. Section 232 curtails opportunity‑zone elections for applicable taxpayers and entities (terminating the election earlier) and modifies the ten‑year exclusion: for applicable taxpayers, the amount excluded is capped by fair market value rules keyed to the taxpayer’s applicable status and entity notices.
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Explore Finance in Codify Search →Who Benefits and Who Bears the Cost
Every bill creates winners and losers. Here's who stands to gain and who bears the cost.
Who Benefits
- Treasury and federal revenue collectors — the bill converts long‑deferred taxable bases into current tax liabilities and creates a new source of enforceable tax using interest recapture and information reporting, improving revenue realization and audit leverage.
- Valuation, tax accounting, and compliance firms — the new annual valuation, basis‑adjustment, and cross‑tier reporting work will create sustained demand for appraisers, tax directors, and compliance software to establish FMV, allocate gain across holding periods, and prepare the new returns.
- Tax administrators and enforcement groups — clearer reporting channels and mandatory entity‑to‑owner notices simplify detection of concealed transfers and tiered avoidance strategies, enabling more effective audits and collection.
Who Bears the Cost
- Applicable taxpayers (ultra‑high‑net‑worth individuals, estates, certain trusts) — they face annual tax on appreciated tradable assets, interest‑laden recapture on nontradable transfers, loss of certain exclusions, and limits on estate‑step‑ups, increasing cash‑tax exposure and compliance costs.
- Family offices, wealth managers, and private banks — additional valuation, recordkeeping, year‑end reporting, and modifications to trust and compensation arrangements create operational work and legal risk for advisors running multi‑tiered structures.
- Pass‑through entities and significant owners — partnerships, S corporations and owners must implement new notice, basis‑adjustment, and allocation mechanics, fund potential tax liabilities, and deal with timing mismatches when entities delay reporting.
- Private‑placement insurers and annuity issuers — new reporting, customer disclosures, and the potential for taxable death‑benefit outcomes change product design and marketability of large private contracts.
- Qualified opportunity funds and investors in private funds — earlier termination of favorable OZ elections for applicable taxpayers and special valuation rules may reduce the post‑ten‑year tax benefit and alter deal terms.
Key Issues
The Core Tension
The central dilemma is equity versus administrability: the bill aims to close a visible fairness gap by taxing unrealized appreciation and collapsing longstanding deferral opportunities, but doing so forces choices that strain valuation capacity, create liquidity mismatches for asset owners, and require intrusive reporting and anti‑avoidance rules — solutions that reduce fossilized tax shelters yet impose substantial technical, operational, and legal burdens on both taxpayers and tax administrators.
Implementation raises obvious valuation and liquidity problems. Annual taxation of year‑end positions requires objective, repeatable fair‑market‑value measures for many private or hybrid instruments; the bill delegates valuation rules to Treasury, but practical valuation disputes and audit friction are likely, and taxpayers will face significant compliance costs to generate defensible FMV opinions.
For large private holdings, the deferral‑recapture calculation attempts to approximate historical tax with interest, but its reliance on allocated gain across historical days and the use of underpayment rates will produce contentious computations and may penalize long‑held, illiquid assets where sellers cannot readily raise cash to pay the tax owed.
Enforcement and avoidance risks also pull in opposite directions. The statute increases information flows and entity notice duties to plug common avoidance techniques, but taxpayers can respond by reorganizing ownership, accelerating expatriation, shifting assets offshore, or employing foreign or nongovernmental vehicles not covered by the statutory definitions.
The law’s special status rules (multi‑year lookbacks, transitional elections, and tiered notices) are complex and create many edge cases; Treasury will need detailed regulations to prevent layering and fragmentation, but rulemaking alone cannot eliminate every rent‑seeking response. Finally, constitutional and treaty issues could arise (taxing unrealized appreciation or treating long‑held private assets as annual taxable events), so litigation risk and cross‑border coordination should be expected.
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