The bill amends the Internal Revenue Code to eliminate a range of tax provisions that have benefited oil and gas companies: it repeals specific production and recovery credits, ends percentage depletion and certain special deductions, lengthens amortization for geological and geophysical costs, disallows the intangible drilling-cost capitalization exception, bans LIFO inventory accounting for large integrated producers, and tightens foreign tax credit rules for “dual capacity” payments. Most changes apply to amounts paid or taxable years beginning after December 31, 2024; the tar-sands/ excise-tax clarification takes effect on enactment.
For tax and accounting teams, the bill is material: it changes the timing and availability of deductions, removes discrete tax credits, forces method-of-accounting transitions for some firms, and creates new definitional tests (for example, a “major integrated oil company” threshold and a dual-capacity taxpayer test) that will drive compliance and planning decisions.
At a Glance
What It Does
The bill repeals or restricts multiple oil-and-gas tax preferences (production credits, percentage depletion, the tertiary injectants deduction, the QBI carve-out for oil and gas, and the intangible-drilling-cost exception), lengthens amortization for geological/geophysical costs, prohibits LIFO for large integrated producers, clarifies tar sands as taxable crude oil for excise purposes, and narrows foreign tax credit eligibility for payments characterized as non-tax ‘benefit’ payments. Most changes apply to taxable years beginning after Dec. 31, 2024.
Who It Affects
Major integrated oil companies meeting statutory thresholds, independent producers and operators, partnerships and master limited partnerships with oil-and-gas activities, corporate tax departments and outside tax/accounting firms, and the IRS/Treasury for administration and audits. Also relevant to investors and lenders who underwrite reserves and cash-flow models.
Why It Matters
Removing these provisions changes after-tax returns on oil-and-gas investments, alters accounting methods that affect reported income and taxes, and constrains cross-border tax planning. Firms will likely face near-term compliance work, potential method-of-accounting adjustments, and altered cash-tax profiles that feed capital and operational decisions.
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What This Bill Actually Does
The bill is a package of targeted code edits rather than a single sweeping tax overhaul. It eliminates specific credits and deductions that have lowered taxable income for oil-and-gas activities, and it builds new definition-based tests that determine when accounting or credit rules no longer apply.
For taxpayers this translates into fewer targeted benefits and more items that must be capitalized or amortized over longer periods.
Mechanically, the bill removes the production-based credits and targeted incentives by striking the underlying Code sections (for example, the marginal-well credit and enhanced oil-recovery credit) and withdraws the percentage depletion regime for oil and gas. It also amends capitalization and amortization rules so that certain expenditures that were previously deductible or immediately capitalizable under special rules must now be capitalized or amortized on longer schedules.
Those changes change the timing of tax deductions and increase taxable income in early years after enactment.On accounting methods, the bill bars the use of last-in, first-out (LIFO) inventory accounting for firms the statute defines as “major integrated oil companies” (numerical thresholds for production, receipts, and refinery runs are in the text). The bill treats the required switch as a taxpayer-initiated accounting change but provides transition relief: net section 481 adjustments can be spread ratably over up to eight years.
That creates a multi-year tax accounting impact rather than an instantaneous catch-up.For cross-border operations, the bill tightens the foreign tax credit for so-called dual-capacity taxpayers—generally entities that both pay levies and receive a distinct economic benefit from a host jurisdiction—by disallowing as a foreign tax any amount paid that exceeds what would be required if the payer were not enjoying that specific benefit. The bill expressly preserves treaty obligations but transfers substantial interpretive work to Treasury regulations.
Finally, it clarifies that tar sands and certain bituminous-derived oils count as crude oil for excise-tax purposes and gives the Treasury regulatory authority to expand taxable categories where pipeline-transported feedstocks or finished products pose spill risks.
The Five Things You Need to Know
The bill repeals the percentage depletion regime for oil and gas (Code section 613A) for property placed in service after Dec. 31, 2024, removing a longstanding per-well deduction option.
Amounts paid or incurred after Dec. 31, 2024 for intangible drilling and development costs can no longer qualify for the special capitalization exception under section 263(c); those costs must be treated under ordinary capitalization rules.
The bill prohibits use of LIFO inventory accounting for a “major integrated oil company,” defined by three numeric tests (average daily worldwide crude production ≥500,000 barrels, gross receipts > $1,000,000,000, and average daily refinery runs >75,000 barrels); required method changes get transitional section 481 treatment spread up to eight years.
Two production-focused credits—the marginal-well credit (section 45I) and the enhanced oil recovery credit (section 43)—are stricken for credits determined for taxable years beginning after Dec. 31, 2024.
Section 901 is amended to limit foreign tax credits for dual-capacity taxpayers by treating host-country payments that exceed what would be required absent a specific economic benefit as non-tax payments; the provision applies to taxes paid in taxable years beginning after Dec. 31, 2024 and is subject to treaty constraints.
Section-by-Section Breakdown
Every bill we cover gets an analysis of its key sections.
Seven-year amortization for geological and geophysical expenditures
The bill changes Code section 167(h) so geological and geophysical costs that were previously amortizable over a shorter period are instead amortized over seven years; it also removes a now-deleted paragraph. The practical effect is slower deduction recognition for exploration-type costs, increasing taxable income in early years for companies that capitalize such expenditures.
Repeal of marginal-well and enhanced-recovery tax credits
The bill strikes section 45I (credit for producing from marginal wells) and section 43 (enhanced oil recovery credit) and removes their references from the general business credit rules. Removing these line-item credits eliminates discrete dollar-for-dollar tax reductions tied to specific production activities, forcing producers to rely on general tax rules and capital allowances instead.
End of special rule for intangible drilling and development costs
By adding a statutory sentence to section 263(c), the bill disallows the special IRC provision that otherwise let taxpayers treat certain oil-and-gas drilling costs in a distinctive manner. Practically, those costs must follow ordinary capitalization and recovery regimes; firms that historically took favorable treatment will need to reclassify and adjust prior practice going forward for amounts paid after Dec. 31, 2024.
Repeal of percentage depletion and conforming edits
The bill removes section 613A and then performs a suite of conforming edits to other tax provisions that referenced percentage depletion. Removing percentage depletion ends a production-based allowance that reduced taxable income based on units produced rather than actual cost, and creates knock-on effects in partnership allocations, taxable income computations, and various cross-references throughout the Code.
Repeal of deduction for tertiary injectants
Section 193, the deduction for tertiary injectants used in enhanced recovery, is struck. That removes a current special offset for certain enhanced recovery inputs and will increase taxable costs of those recovery techniques compared with prior law.
End of passive-loss exception and disallow QBI for oil-and-gas activities
The bill terminates the exception in section 469(c)(3) that previously let working interests in oil-and-gas properties escape passive-loss limitations, and it amends section 199A to deny the 20% qualified-business-income deduction for activities tied to production, refining, processing, transportation, or distribution of oil and gas. Together those changes reduce flow-through tax benefits available to owners of working interests and pass-through entities with oil-and-gas operations.
Prohibition on LIFO for major integrated oil companies
The bill adds a new subsection to section 472 barring LIFO for taxpayers that meet the statute’s three-pronged test for being a major integrated oil company. It includes aggregation rules for controlled groups and detailed related-person ownership thresholds for measuring refinery runs. The provision also treats the required change as taxpayer-initiated but allows section 481 adjustments to be spread ratably over up to eight years to soften the immediate tax shock.
Foreign tax credit rules for dual-capacity taxpayers
New subsection (n) to section 901 restricts foreign tax credits where a taxpayer pays a levy but also receives a defined, specific economic benefit from the foreign jurisdiction. Treasury is assigned the task of defining the excess amount and the ‘specific economic benefit’ standard in regulations; the bill preserves treaty obligations as a limit on application.
Tar sands treated as crude oil for excise taxes; regulatory authority
This section amends the excise-tax definition of crude oil to expressly include bitumen-derived oils, tar sands products, and kerogen-derived oils, and it authorizes Treasury to include additional feedstocks or finished products as taxable where they are pipeline-transported and pose spill risks. That clarifies and broadens excise coverage for heavier unconventional oils and grants regulatory discretion to capture similar products.
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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
- Federal Treasury — fewer targeted deductions and credits tighten the tax base and increase potential federal receipts relative to prior law, improving revenue collection if enforcement and timing match legislative assumptions.
- Competing energy suppliers and low-carbon projects — removing preferential tax treatment for oil and gas reduces a structural tax advantage and improves competitive parity for investments in renewables and other energy sources that do not rely on these specific tax subsidies.
- Taxpayers without oil-and-gas exposure — the bill narrows carve-outs in the Code that complexity often creates; ordinary corporate taxpayers may see a slightly simpler competitive landscape and fewer industry-specific distortions.
Who Bears the Cost
- Major integrated oil companies — lose LIFO inventory advantages, face method-of-accounting transitions, and forfeit credits and deductions that reduce near-term taxable income, which can raise cash tax and affect earnings forecasts.
- Independent producers and smaller operators — elimination of percentage depletion, credit removals, and the passive-loss exception will reduce after-tax cash flows for many producers, particularly those organized as pass-throughs or with lower-scale operations.
- Tax and accounting professionals and the IRS — the package creates immediate compliance work: reclassifying expenditures, implementing section 481 transitions, interpreting related-person and aggregation tests, and issuing and applying new regulations (especially for the dual-capacity rule).
- Cross-border operations of U.S. oil firms — the dual-capacity limitation narrows foreign tax creditability and will complicate withholding and host-country payment analysis, potentially increasing U.S. tax on foreign income.
Key Issues
The Core Tension
The central tension is between removing targeted fiscal support for an industry—fulfilling a policy goal of eliminating fossil-fuel tax preferences—and preserving tax certainty and investment stability: the bill accelerates revenue-raising repeal across many discrete provisions at once, which reduces industry subsidies but also imposes retroactive-style changes, accounting disruptions, and substantial rulemaking tasks that create legal and economic friction for firms and the IRS.
The bill deliberately compresses many industry-specific changes into tight effective dates—most apply to taxable years beginning after Dec. 31, 2024—creating retroactivity-like effects for expenses or credits earlier claimed. That timing raises transition complexity: taxpayers will need to sort which expenditures straddle the cutoff, determine whether to amend prior filings, and implement section 481 adjustments for accounting-method changes.
The LIFO prohibition includes transition relief, but the eight-year spread still forces multi-year tax accounting and cash-flow planning changes.
Several provisions leave significant interpretive work to Treasury. The dual-capacity-taxpayer rule requires regulatory definitions of “specific economic benefit” and a method for quantifying the excess amount that is not a tax; those interpretive choices will determine whether host-country payments are treated as taxes or service/lease payments.
The bill also introduces inconsistent ownership thresholds across sections (for example, 5 percent for some related-person tests and 15 percent for refinery-run aggregation), creating opportunities for complex ownership attribution disputes. Finally, the excise-tax expansion and regulatory authority to include additional feedstocks could create enforcement and classification challenges at the point of import or pipeline transfer, with state-level tax and regulatory coordination left unaddressed.
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