OBBBA Tax Deductions

01 · Definition

What is the OBBBA, and what does it actually change?

The One Big Beautiful Bill Act, commonly abbreviated OBBBA and formally introduced as H.R. 1, is federal budget reconciliation legislation signed into law on July 4, 2025. Its central tax effect is to make most of the individual provisions of the 2017 Tax Cuts and Jobs Act permanent, provisions that had been scheduled to expire at the end of 2025, while layering on a set of new, mostly temporary deductions and adjusting several business-side rules.

It helps to separate what the law does into two distinct categories, because they behave very differently going forward. The first category is permanence: provisions that were already part of the tax code under the 2017 law, and that OBBBA simply locked in place instead of letting expire, including the current seven individual tax brackets, the larger standard deduction, and the 20 percent qualified business income deduction for pass-through businesses. The second category is new, deliberately temporary policy: deductions that did not exist before OBBBA at all, most of them written into the law with a 2028 expiration date, including the new deductions for tip income, overtime pay, senior taxpayers, and auto loan interest.

Why the distinction between “permanent” and “temporary” matters more than usual here

Tax planning depends heavily on how much certainty a given provision offers, and OBBBA deliberately mixes the two in a way that rewards close reading rather than a single headline take. A deduction is genuinely useful for long-range planning, retirement modeling, a multi-year business investment decision, only if a taxpayer or their advisor knows whether it disappears in a few years or not. Several of the law’s most-discussed provisions, the tip and overtime deductions in particular, are written to sunset after the 2028 tax year, while others, such as the higher SALT cap, revert to prior, less generous law on a specific future date built directly into the statute. Reading each deduction with its actual effective dates in mind, rather than assuming everything in the bill is equally permanent, is essential to using this guide, and the tax code itself, accurately.

02 · Origins

How did this law come to be, and why did it need to pass in 2025 specifically?

The OBBBA exists largely because of a deadline built into the original 2017 Tax Cuts and Jobs Act. To comply with Senate budget reconciliation rules that allowed the 2017 law to pass with a simple majority, its individual tax provisions were written with a sunset date at the end of 2025, after which rates and deductions would have reverted to pre-2017 law. OBBBA was the vehicle Congress used to prevent that reversion.

Without further legislative action, the tax brackets, standard deduction amount, and several other individual provisions from the 2017 law would have expired automatically at the close of 2025, producing what tax professionals had spent years referring to as the “TCJA cliff”: higher rates, a smaller standard deduction, and the return of personal exemptions for most filers starting with the 2026 tax year. That looming deadline shaped the urgency behind the 2025 legislative push, and it is also why so much of OBBBA reads as an extension of 2017-era policy rather than an entirely new tax framework.

The reconciliation process and what it means for the law’s structure

Like the 2017 law before it, OBBBA was passed through the budget reconciliation process, a procedural path that allows certain tax and spending legislation to pass the Senate with a simple majority rather than the 60 votes normally required to overcome a filibuster, provided the bill’s provisions meet specific budgetary rules. That same procedural requirement is part of why several of OBBBA’s new individual provisions, including the tip, overtime, and senior deductions, were again written with a defined expiration date rather than permanence: reconciliation rules generally limit how much a bill can add to long-term deficits, and time-limiting a provision is one of the standard ways legislation is structured to satisfy that constraint.

Signed into law, effective retroactively to the start of the tax year

President Trump signed the OBBBA on July 4, 2025. Despite that mid-year signing date, most of its individual tax provisions were written to apply retroactively to the entire 2025 tax year, meaning the new rules governed income earned from January 1, 2025 onward rather than only income earned after the signing date, a structure confirmed in guidance from the Internal Revenue Service and reflected in the withholding and filing instructions issued for the 2025 tax year, filed in early 2026.

03 · Standard deduction

The standard deduction: made permanent, and modestly increased

The OBBBA locks in the larger standard deduction introduced by the 2017 Tax Cuts and Jobs Act, which had nearly doubled the prior standard deduction amount, and adds a further increase on top of it for 2025 and beyond, continuing the annual inflation adjustments taxpayers have grown used to since 2018.

For the 2025 tax year, the standard deduction rises to $15,750 for single filers, an increase of $750 over the amount it would otherwise have been, and to $31,500 for married couples filing jointly, an increase of $1,500. Because personal exemptions remain eliminated under the permanent law, exactly as they were under the 2017 rules, the standard deduction continues to function as the primary across-the-board deduction most non-itemizing taxpayers rely on, and its permanence removes what had been one of the largest single sources of uncertainty in individual tax planning heading into 2026.

Why this provision matters more than its size suggests

The standard deduction’s significance goes beyond its dollar value, because it is the threshold against which the decision to itemize is measured. A materially larger standard deduction, locked in permanently rather than facing a scheduled reduction, means the large majority of taxpayers who have taken the standard deduction since 2018 can continue to do so with confidence, rather than needing to re-evaluate their itemizing strategy around a scheduled 2026 reversion that, under prior law, would have made itemizing worthwhile for considerably more filers than it currently does.

Who this change affects most

The permanence and modest increase of the standard deduction benefits the broad base of middle-income taxpayers who do not have enough mortgage interest, state and local taxes, or charitable giving to exceed the standard deduction threshold through itemizing, which under the 2017-era rules has consistently been the majority of U.S. filers. Higher-income taxpayers with substantial itemizable expenses, particularly in high-tax states, are more directly affected by the separate SALT deduction changes discussed next, rather than by the standard deduction increase itself.

04 · SALT deduction

The SALT deduction: a much higher cap, with a built-in expiration

The OBBBA raises the cap on the itemized deduction for state and local taxes, commonly called SALT, from $10,000 to $40,000 for 2025, with roughly one percent annual increases through 2029, before the cap is scheduled to revert to $10,000 starting in 2030 unless Congress passes further legislation before then.

The SALT deduction allows taxpayers who itemize to deduct property taxes together with either state and local income tax or sales tax. The original $10,000 cap, introduced by the 2017 law, disproportionately affected taxpayers in states with higher property values and higher state income tax rates, and raising that cap was one of the most politically contested individual provisions of the entire OBBBA negotiation. The new $40,000 cap represents a substantial increase for affected taxpayers, though it comes with an income-based phase-down: the deduction begins reducing for taxpayers with modified adjusted gross income above a set threshold, falling toward a $10,000 minimum for higher earners rather than the full $40,000 cap applying uniformly regardless of income.

Why “temporary” is the operative word here

Unlike the standard deduction increase, which is permanent, the higher SALT cap is one of the law’s clearest examples of deliberately time-limited policy. The statute specifies the $40,000 cap for 2025, small annual increases through 2029, and a full reversion to $10,000 in 2030. Taxpayers and advisors in high-tax states should treat the current SALT relief as a multi-year window rather than a permanent feature of the tax code, and factor the scheduled 2030 reversion into any longer-range financial planning that assumes continued itemizing benefit from state and local taxes.

Who benefits, and who does not

The expanded SALT cap primarily benefits itemizing taxpayers, generally higher earners with substantial property tax bills or state income tax liability, concentrated in states such as California, New York, New Jersey, Illinois, and Connecticut. It provides no direct benefit to the majority of taxpayers who take the standard deduction rather than itemizing, since the SALT deduction is only relevant to filers who itemize in the first place.

05 · Tips deduction

The new tip income deduction

Beginning with the 2025 tax year, eligible workers can deduct up to $25,000 of qualifying reported tip income, an entirely new above-the-line deduction that did not exist prior to the OBBBA and is scheduled to remain available through the 2028 tax year.

The deduction applies specifically to tips that are voluntarily given, properly reported, and earned in occupations the Treasury Department has designated as customarily and regularly receiving tips, a list published in IRS guidance following the law’s enactment. It phases out for taxpayers with income above $150,000 for single filers and $300,000 for married couples filing jointly, meaning the deduction is targeted at working-income tipped employees rather than extending without limit to high earners who happen to receive occasional gratuities.

What this deduction does not change

It is worth being precise about what “no tax on tips” popular shorthand actually means in the statute, because the deduction reduces federal income tax liability on qualifying tip income; it does not eliminate payroll taxes, such as Social Security and Medicare withholding, on that same income, and it does not apply to tips that are not properly reported through standard payroll or self-employment reporting channels. Workers should not assume the deduction eliminates all tax obligations tied to tip income, only the federal income tax portion, up to the stated cap and income phase-out.

Why this is written as temporary policy

Like several of OBBBA’s other new individual deductions, the tip income deduction is scheduled to expire after the 2028 tax year absent further legislative action, a structure tied to the same reconciliation budget rules discussed earlier. Workers relying on this deduction in multi-year financial planning should treat 2028 as a meaningful date to watch, rather than assuming the provision is a permanent fixture of the tax code.

06 · Overtime deduction

The new overtime pay deduction

Alongside the tip deduction, the OBBBA creates a new deduction for qualifying overtime pay, allowing eligible workers to deduct up to $12,500 individually, or up to $25,000 if both spouses on a joint return receive qualifying overtime income, available from the 2025 through 2028 tax years.

The deduction applies to the premium portion of overtime compensation required under the Fair Labor Standards Act, generally the additional half-time pay above a worker’s regular rate for hours worked beyond 40 in a week, rather than to a worker’s full overtime paycheck. As with the tip deduction, it phases out above income thresholds of $150,000 for single filers and $300,000 for married couples filing jointly, and it reduces federal income tax liability specifically, not payroll tax withholding.

Who is positioned to benefit most

This deduction is most directly relevant to hourly workers in industries with substantial scheduled or seasonal overtime, manufacturing, logistics, healthcare shift work, emergency services, and similar fields, where overtime pay represents a meaningful share of total annual income. Salaried employees classified as exempt from FLSA overtime rules, a large share of white-collar workers, are generally not eligible for this deduction, since they do not receive FLSA-defined overtime pay in the first place.

A practical note on recordkeeping

Because the deduction is tied specifically to the FLSA overtime premium rather than a worker’s total pay, accurate payroll reporting that separately identifies the overtime premium amount matters for correctly claiming this deduction. The IRS has issued specific reporting guidance to employers on how overtime pay should be documented on wage statements to support the deduction, and workers claiming it should confirm their employer’s payroll reporting reflects that guidance accurately.

07 · Senior deduction

The senior bonus deduction

Taxpayers age 65 and older can claim a new $6,000 bonus deduction for tax years 2025 through 2028, available regardless of whether they itemize or take the standard deduction, making it one of the more broadly accessible new provisions in the law for the population it targets.

The deduction begins phasing out once modified adjusted gross income exceeds $75,000 for single filers and $150,000 for married couples filing jointly, and it is not available to married taxpayers filing separately. Because it stacks on top of the standard deduction rather than requiring itemizing, it functions similarly to the additional standard deduction amount long available to older filers, but as a distinct, separately calculated benefit specific to this law.

Why this provision was framed around Social Security

Much of the public discussion around this deduction described it as reducing or eliminating taxes on Social Security benefits, though the statute does not technically restructure how Social Security benefits themselves are taxed; instead, it provides a general deduction available to eligible seniors that reduces overall taxable income, which in practice lowers the effective tax burden on many seniors’ total income, including the taxable portion of Social Security benefits, without changing the specific formula used to determine how much of Social Security is includable in taxable income in the first place. That distinction matters for accurately understanding what changed and what did not.

Interaction with other senior-specific tax rules

This deduction is separate from, and stacks with, the additional standard deduction amount that filers age 65 and older have long been entitled to claim under prior law, which continues to apply on top of the regular standard deduction increase discussed earlier. Seniors who both take the standard deduction and qualify for this new bonus deduction based on income can see a meaningfully larger total deduction than filers under 65 with otherwise comparable income and filing status.

08 · Auto loan deduction

The auto loan interest deduction

The OBBBA creates a new deduction of up to $10,000 for interest paid on loans used to purchase a new, personal-use vehicle assembled in the United States, available from 2025 through 2028, and available to both itemizing and non-itemizing taxpayers.

The deduction applies specifically to new vehicles, not used vehicles, and specifically to vehicles with final assembly in the United States, a requirement that ties the benefit directly to domestic auto manufacturing rather than to vehicle purchases generally. It phases out at higher income levels, consistent with the general pattern across OBBBA’s new temporary individual deductions, and it applies only to personal-use vehicles, not to vehicles purchased primarily for business use, which are governed by separate, pre-existing business vehicle expense rules.

What “U.S.-assembled” actually determines

Because eligibility hinges on where final vehicle assembly occurred rather than where a manufacturer is headquartered, some vehicles sold by companies widely perceived as foreign automakers can qualify if they are assembled at a U.S. plant, while some vehicles sold by U.S.-headquartered manufacturers may not qualify if assembled abroad. Buyers seeking to confirm eligibility for a specific vehicle should check the vehicle’s official assembly location, typically identifiable through its window sticker or vehicle identification number, rather than assuming eligibility based on brand alone.

Practical scope of the benefit

Given the $10,000 interest cap and the requirement that the loan finance a new, domestically assembled vehicle, this deduction is most meaningful for buyers financing a relatively large loan balance at a meaningful interest rate in the early years of a loan term, when interest paid is highest, and its practical value diminishes for buyers making a large down payment, financing a lower-priced vehicle, or paying cash.

09 · QBI deduction

The Section 199A qualified business income deduction, made permanent

The OBBBA removes the scheduled expiration of the Section 199A deduction, which allows owners of pass-through businesses, sole proprietorships, partnerships, S corporations, and certain trusts, to deduct up to 20 percent of qualified business income when calculating taxable income, making this deduction a permanent part of the tax code rather than one set to expire at the end of 2025.

The deduction remains subject to the wage and capital limitations, and to the specified service trade or business restrictions, that applied under the original 2017 rules, meaning high-income owners of certain service-based businesses, including many law, accounting, medical, and consulting practices, continue to face reduced or eliminated eligibility for the full deduction once their income exceeds specified thresholds. The law also adds a new minimum deduction of $400 for taxpayers with at least $1,000 of active qualified business income, a floor intended to ensure very small pass-through businesses receive some benefit even where the percentage-based calculation would otherwise produce a negligible amount, and it widens the phase-in income ranges used to apply the wage and capital limitations starting in 2026.

Why permanence matters especially for this provision

Because Section 199A directly affects how pass-through business owners structure compensation, retained earnings, and entity type decisions, the provision’s prior scheduled expiration created meaningful uncertainty for long-term business and succession planning. Locking the deduction in permanently gives pass-through business owners, who represent the majority of U.S. businesses by entity count, a stable basis for multi-year tax and entity-structure planning that was not available while the deduction’s future remained tied to the 2025 sunset date.

Who this affects, and who it does not

This deduction is only relevant to owners of pass-through business entities; it has no direct application to employees receiving W-2 wage income or to C corporations, which are taxed under an entirely separate corporate rate structure unaffected by Section 199A. Within the pass-through population, the practical value of the deduction varies considerably based on business type, income level, and whether the business is classified as a specified service trade or business subject to the additional income-based restrictions.

10 · Charitable deduction

Charitable giving deductions, old and new

The OBBBA changes charitable giving rules in two directions at once: it creates a small new charitable deduction available to non-itemizers starting in 2026, while adding a new floor that reduces the charitable deduction’s value for itemizers, a combination that shifts the incentive structure for charitable giving depending on a taxpayer’s filing approach and income level.

Effective for tax years beginning in 2026, taxpayers who take the standard deduction rather than itemizing may deduct up to $1,000 for single filers and $2,000 for married couples filing jointly, provided the donation is made in cash to a qualifying operating charitable organization; the new deduction specifically excludes donations made to establish or maintain a donor-advised fund, and excludes gifts to certain supporting organizations and private foundations. This is a meaningful structural change, since prior law generally offered no charitable deduction benefit at all to non-itemizing taxpayers, who make up the majority of filers.

The new floor for itemized charitable deductions

At the same time, taxpayers who do itemize must now exceed a floor equal to 0.5 percent of adjusted gross income before any charitable deduction becomes deductible, meaning a portion of charitable giving that would previously have been fully deductible for itemizers is no longer deductible below that threshold. In practice, this reduces the marginal tax benefit of charitable giving for many itemizing taxpayers, particularly those whose giving is modest relative to their income, even as it does not affect the total dollar amount they choose to give.

Why nonprofit organizations have watched this provision closely

Because the new non-itemizer deduction and the new itemizer floor pull in different directions, tax and nonprofit-sector analysts have generally described the net effect on charitable giving as uncertain rather than clearly positive or negative, an open question discussed further in the debate section of this guide, since it depends heavily on how sensitive individual donors’ giving decisions actually are to marginal changes in deductibility.

11 · Business expensing

Business expensing: bonus depreciation and R&D costs

Beyond individual deductions, the OBBBA makes significant permanent changes to how businesses deduct capital investment and research costs, restoring and locking in two provisions that had either expired or were in the process of phasing down under prior law.

100 percent bonus depreciation, made permanent

The law restores full, 100 percent bonus depreciation for qualifying business property and makes it permanent, reversing a scheduled phase-down that had been reducing the bonus depreciation percentage in stages since 2023 under the original 2017 law’s sunset schedule. This allows businesses to immediately deduct the full cost of qualifying equipment, machinery, and other short-lived capital investments in the year the asset is placed in service, rather than depreciating that cost gradually over several years, a change with direct implications for business cash flow and the after-tax cost of capital investment.

Immediate expensing of domestic research and development costs

The OBBBA also repeals the mandatory capitalization of domestic research and development expenditures under Internal Revenue Code Section 174, a requirement introduced by the 2017 law that had forced businesses to spread R&D deductions over five years rather than deducting them immediately, and restores full, immediate expensing for domestic R&D costs beginning in 2025. Businesses conducting research outside the United States remain subject to capitalization rules under separate provisions, meaning the restored immediate expensing benefit applies specifically to domestic research activity.

Why these business provisions matter to the broader deduction picture

While these are business-side rather than individual deductions, they are directly relevant to the substantial share of taxpayers who own or have an ownership stake in a pass-through business, since bonus depreciation and R&D expensing both flow through to an owner’s individual return and interact directly with the Section 199A qualified business income calculation discussed earlier, making these provisions part of the same interconnected planning picture for business owners rather than a separate, unrelated topic.

12 · Related credits

Related changes: the child tax credit and the estate tax exemption

Two further OBBBA provisions are technically credits and exemptions rather than deductions, but they are frequently discussed alongside the law’s deductions because they follow the same broad pattern of permanence plus expansion, and because they materially affect the same taxpayers’ overall tax planning.

The child tax credit, increased and made permanent

The OBBBA permanently increases the child tax credit to $2,200 per qualifying child, up from the $2,000 amount in place since 2018, and indexes that amount for inflation starting after the 2025 tax year, preventing the credit from reverting to its pre-2017 level of $1,000 per child, which would otherwise have occurred at the end of 2025. The refundable portion of the credit, known as the additional child tax credit, remains at $1,700 for 2025, also indexed for future inflation adjustment. The law also adds new requirements that both the qualifying child and the claiming parent or parents hold a valid Social Security number, and that married claimants file a joint return to receive the credit.

The estate tax exemption, raised and made permanent

The OBBBA permanently raises the federal estate and lifetime gift tax exemption to $15 million per individual, or $30 million for a married couple using portability, indexed for inflation in future years, preventing a scheduled reduction to roughly half that amount that would otherwise have taken effect at the start of 2026 under the original 2017 law’s sunset provisions. This change is most directly relevant to high-net-worth individuals and families engaged in estate planning, though its permanence, like several other OBBBA provisions, removes a significant source of planning uncertainty that had shaped estate planning decisions throughout 2024 and early 2025 in anticipation of the prior scheduled reduction.

13 · Consensus

Where do tax analysts broadly agree?

Despite significant political disagreement over OBBBA as a whole, independent tax policy organizations across the ideological spectrum broadly agree on a core set of factual points about how the law functions, separate from the value judgments attached to those facts.

Points of broad factual agreement

There is broad agreement, reflected in analysis from organizations including the Tax Foundation and the nonpartisan Joint Committee on Taxation, that the law reduces individual income taxes for the substantial majority of filers relative to what they would have owed had the 2017 provisions been allowed to expire on schedule, with the Tax Foundation estimating the 2025 individual income tax reduction from the law’s core provisions at roughly $129 billion for that tax year alone. There is broad agreement that the law’s benefits are not distributed evenly across the income spectrum, with higher-income and business-owning taxpayers generally receiving a larger dollar-value benefit than lower-income taxpayers, a pattern consistent with, though not identical to, the distributional pattern of the original 2017 law. There is also broad agreement that several of the law’s new individual deductions, the tip, overtime, senior, and auto loan interest deductions specifically, are structured as genuinely temporary, expiring after 2028 absent further legislative action, rather than as permanent fixtures comparable to the standard deduction or Section 199A changes.

Agreement on the law’s fiscal scale

Independent scorekeepers, including the Congressional Budget Office and the Joint Committee on Taxation, broadly agree that the law represents one of the largest single pieces of tax legislation in recent years by dollar magnitude, with estimates of its cumulative effect on federal revenue and deficits over the following decade running into the trillions of dollars, even where analysts disagree sharply, as the next section describes, about how to weigh that fiscal cost against the law’s economic and distributional effects.

Whether a given OBBBA provision helps a specific taxpayer depends far less on the law’s headline framing than on three concrete facts: their filing status, their income relative to the relevant phase-out thresholds, and how many years the specific provision they’re relying on is actually scheduled to remain in effect. Pattern reflected across independent tax policy analysis of the law’s individual provisions

14 · Contested ground

Where does genuine debate continue?

Several questions about OBBBA’s effects remain genuinely contested among credentialed economists and policy analysts, not merely between political parties, and an honest guide names them directly rather than resolving them by assertion.

How large are the law’s economic growth effects?

Supporters of the law, including many analysts associated with supply-side economic models, argue that permanent bonus depreciation, permanent R&D expensing, and the permanent Section 199A deduction will meaningfully increase business investment, productivity, and wage growth over the following decade, citing the incentive effects of immediate expensing on capital formation. Critics, including a number of analysts who use more conventional macroeconomic models, argue that the growth effects are likely to be considerably more modest than supporters project, and that the law’s substantial addition to the federal deficit could, over time, offset some or all of the projected growth benefit through higher long-term interest rates or reduced public investment elsewhere. Both sides generally agree on the law’s direct fiscal cost estimates from official scorekeepers; they disagree substantially on the size of the offsetting economic growth those costs might generate.

What does the law mean for the federal deficit, and does that matter as much as other priorities?

A second genuine debate concerns how much weight the law’s projected addition to the federal deficit, estimated by nonpartisan scorekeepers to be substantial over a ten-year window, should carry relative to its stated goals of tax relief and economic stimulus. Deficit-focused critics argue that permanent tax reductions without offsetting spending reductions or revenue increases elsewhere are fiscally unsustainable over the long run. Supporters generally respond that economic growth generated by the law will offset a meaningful share of the static revenue loss, and that permanent, predictable tax policy carries its own economic value distinct from short-term deficit accounting. This is fundamentally a disagreement about economic modeling assumptions and fiscal policy priorities as much as a factual dispute.

Are the temporary deductions well-targeted, or are they poorly designed policy?

A third area of genuine disagreement concerns the design of the new temporary deductions for tips, overtime, and auto loan interest specifically. Some tax policy analysts, across the ideological spectrum, have criticized these provisions as narrowly targeted carve-outs that complicate the tax code, create uneven treatment between similarly situated workers, such as a tipped restaurant server versus a non-tipped retail worker earning comparable income, and expire on a schedule that may create political pressure for renewal regardless of their actual economic merit. Others argue the provisions deliver meaningful, targeted relief to specific groups of working- and middle-income taxpayers who benefit less from broader rate reductions. This debate concerns tax policy design principles as much as the law’s overall fiscal or economic impact.

15 · Timeline

Effective dates and phase-outs at a glance

Because OBBBA mixes permanent and temporary provisions with different starting dates, a single reference view of when each deduction begins, and when it is scheduled to change or expire, is useful for keeping the details straight.

• Standard deduction

  Permanent; increased for 2025 to $15,750 single / $31,500 joint, with continued annual inflation adjustments.

• SALT cap

  $40,000 for 2025, rising roughly 1% annually through 2029, then reverting to $10,000 in 2030.

• Tip income deduction

  2025 through 2028; up to $25,000, phasing out above $150,000 single / $300,000 joint income.

• Overtime deduction

  2025 through 2028; up to $12,500 single / $25,000 joint, same income phase-out thresholds as the tip deduction.

• Senior bonus deduction

  2025 through 2028; $6,000 per qualifying senior, phasing out above $75,000 single / $150,000 joint income.

• Auto loan interest deduction

  2025 through 2028; up to $10,000, new U.S.-assembled personal-use vehicles only.

• Section 199A (QBI)

  Permanent; 20% deduction, new $400 minimum deduction, expanded 2026 phase-in ranges.

• Non-itemizer charitable deduction

  Begins 2026; up to $1,000 single / $2,000 joint, cash gifts to operating charities only.

• Itemizer charitable floor

  New 0.5% of AGI floor applies before itemized charitable deductions become deductible.

• Bonus depreciation

  Permanent restoration of 100% bonus depreciation for qualifying business property.

• R&D expensing

  Permanent immediate expensing for domestic research costs, beginning 2025.

• Child tax credit

  Permanent; $2,200 per child, indexed for inflation after 2025.

• Estate tax exemption

  Permanent; $15 million per individual / $30 million per married couple, indexed for inflation.

16 · Common errors

Common misconceptions about OBBBA deductions, addressed directly

Because so much public discussion compresses this law into a handful of slogans, “no tax on tips,” “no tax on overtime,” a few specific misunderstandings recur constantly. Naming them directly clears up a large share of the confusion.

“No tax on tips means tip income isn’t taxed at all”

The tip deduction reduces federal income tax on qualifying, properly reported tip income up to a $25,000 cap, subject to income phase-outs; it does not eliminate payroll tax withholding on that income, and it does not apply without limit to all tip income for all earners regardless of amount or income level.

“Every provision in this law is permanent now that TCJA has been extended”

Several of the law’s most publicly discussed new provisions, the tip, overtime, senior, and auto loan interest deductions, are explicitly temporary, scheduled to expire after the 2028 tax year. Permanence applies to the provisions that extend or lock in 2017-era law, the standard deduction increase, the tax brackets, Section 199A, and the estate tax exemption, not to the law’s newly created deductions.

“The higher SALT cap is a permanent fix for the $10,000 limit”

The $40,000 SALT cap is scheduled to revert to $10,000 starting in 2030, and it phases down for higher-income itemizers well before that date. It is meaningful, multi-year relief, not a permanent repeal of the SALT cap concept introduced in 2017.

“These deductions apply equally to everyone in a given occupation or age group”

Nearly every new individual deduction created by OBBBA carries an income-based phase-out. A tipped worker or overtime earner with income above the relevant threshold, or a senior with income above the relevant threshold for that deduction, will see a reduced or eliminated benefit, even while working in a qualifying occupation or falling within a qualifying age group.

“This law only changed individual deductions”

Some of the law’s most consequential provisions by dollar value are on the business side, permanent 100 percent bonus depreciation and permanent domestic R&D expensing chief among them, changes that affect business cash flow and investment decisions independent of, though often in combination with, the individual deductions covered earlier in this guide.

17 · Where this is heading

Where does implementation go from here?

Several trends are visible in how OBBBA is being implemented and discussed heading into future filing seasons: continued IRS guidance clarifying eligibility details for the newer deductions, growing attention to the law’s scheduled 2028 and 2030 expiration dates, and ongoing independent analysis of the law’s actual fiscal and economic effects as more data becomes available.

Continued IRS guidance on the newer provisions

Because several of OBBBA’s new deductions, particularly the tip and overtime provisions, required the IRS to define eligible occupations, reporting formats, and documentation standards that did not previously exist in the tax code, the agency has continued issuing implementation guidance and updated forms since the law’s enactment, a process expected to continue as edge cases and ambiguities surface during filing seasons. Taxpayers and preparers relying on these newer deductions should expect continued refinement of the specific eligibility and reporting rules rather than treating initial guidance as necessarily final.

The 2028 and 2030 dates as the next major decision points

With the tip, overtime, senior, and auto loan interest deductions scheduled to expire after 2028, and the SALT cap scheduled to revert in 2030, both dates are likely to become significant legislative flashpoints as they approach, in much the same way the original 2025 TCJA sunset shaped several years of tax policy discussion before OBBBA’s passage. Taxpayers benefiting from these provisions should expect continued political debate over renewal, modification, or expiration as those dates draw closer, rather than assuming current law will necessarily remain unchanged.

Ongoing independent analysis of real-world effects

As more complete filing-season data becomes available for the 2025 and subsequent tax years, independent organizations including the Tax Foundation, the Congressional Budget Office, and the Joint Committee on Taxation are expected to continue refining their estimates of the law’s actual, rather than projected, distributional, fiscal, and economic effects, providing a clearer empirical picture over time than was available at the moment of the law’s passage.

Closing

Key takeaways on OBBBA tax deductions

The One Big Beautiful Bill Act is best understood not as a single tax change but as a bundle of a dozen or more distinct provisions, each with its own rules, and each falling into one of two very different categories: permanent extensions of 2017-era tax policy, including the larger standard deduction, the current tax brackets, the Section 199A pass-through deduction, and the estate tax exemption, and genuinely temporary new benefits scheduled to expire after 2028, including the tip income, overtime pay, senior bonus, and auto loan interest deductions. Nearly every new individual provision carries its own income-based phase-out, meaning eligibility and benefit size depend heavily on a taxpayer’s specific income and filing status rather than applying uniformly within a broad category such as “tipped workers” or “seniors.” Independent analysts broadly agree on the law’s basic mechanics and its substantial fiscal scale, while genuinely disagreeing about how its projected economic growth effects should be weighed against its addition to the federal deficit, and about whether its newer, narrowly targeted deductions represent well-designed policy. Reading this law well, for a specific taxpayer’s own situation, means checking each relevant provision’s actual dollar caps, phase-out thresholds, and expiration date directly, rather than relying on the political shorthand that has dominated public discussion of the bill.

18 · Notes

Frequently asked questions