Tax Planning Strategies for Manufacturers

Manufacturing tax planning rewards manufacturers who treat it as a year-round discipline rather than a December exercise. The One Big Beautiful Bill Act, signed July 4, 2025, rewrote several of the most consequential provisions for capital-intensive businesses and made permanent what had been a moving target for years. Bonus depreciation is back at 100%. Section 199A is no longer scheduled to expire. Domestic R&D is immediately deductible again. For manufacturers, the planning question is no longer whether to act on a phase-down deadline. It is whether the current tax structure reflects the rules as they actually stand.

The R&D Tax Credit, Newly Combined With Immediate Expensing

The R&D tax credit was never limited to white-coat research, and the work that qualifies in a manufacturing environment includes process improvements, prototype development, materials testing and engineering changes to existing production lines. According to the IRS audit techniques guide for the research credit, qualifying activities are evaluated against a four-part test that focuses on whether the work involved technical uncertainty resolved through systematic experimentation. Failed projects still count. Outcome does not determine eligibility; process does.

What changed under OBBBA is the deduction side of the equation. Section 174A permanently restored immediate expensing of domestic R&D costs for tax years beginning after December 31, 2024. That reversed the five-year amortization requirement TCJA imposed in 2022, which had been compressing cash flow for R&D-heavy manufacturers since. Eligible small businesses, defined as those with average annual gross receipts of $31 million or less, can elect to apply Section 174A retroactively to 2022 through 2024 by filing amended returns, with the election deadline running through July 6, 2026. Larger businesses can accelerate remaining unamortized balances forward. The intersection of the credit and the deduction is where the real planning work sits, and common qualifying activities in manufacturing R&D are broader than most operations realize.

Bonus Depreciation, Section 179 and the New Qualified Production Property Rules

Capital expenditure planning shifted in ways that materially favor manufacturers. OBBBA permanently restored 100% bonus depreciation under Section 168(k) for qualifying property acquired and placed in service after January 19, 2025. The phasedown that was scheduled to drop bonus depreciation to 40% and eventually zero is gone. Section 179 expensing limits rose substantially at the same time, with a $2.5 million expensing limit and $4 million phase-out threshold for tax years beginning after December 31, 2024, both indexed annually for inflation thereafter. The OBBBA’s bonus depreciation rules and how they apply to capital-intensive industries reward proactive planning rather than reactive year-end purchasing.

The provision manufacturers should look at most closely is new Section 168(n). For nonresidential real property used as an integral part of a qualified production activity, OBBBA introduces 100% first-year expensing of qualified production property if construction begins after January 19, 2025 and before January 1, 2029, with the property placed in service after July 4, 2025 and before January 1, 2031. The definition is narrower than it first appears. Qualified production activity covers manufacturing, refining and a limited form of production restricted to agricultural and chemical production, and the activity must result in substantial transformation of the property. Office space, administrative areas, research facilities, software development space, sales floors, lodging and parking are explicitly excluded. The election is generally irrevocable, a 10-year recapture rule applies under Section 1245 if the property stops being used in a qualified production activity, and the deduction is unavailable to lessors that lease the facility to a separate operating entity. For manufacturers planning facility expansion or new construction, Section 168(n) is the single largest depreciation opportunity the tax code currently offers, but the structural requirements deserve careful modeling before the election is made.

Section 199A, Made Permanent, and the Interest Limitation Reset

The Section 199A qualified business income deduction allows pass-through entities to deduct up to 20% of qualified business income, and OBBBA removed the December 31, 2025 sunset that had been hanging over it. For S corporations, partnerships and LLCs structured as pass-throughs, the deduction is now a permanent feature of the tax code. OBBBA also expanded the phase-in range for the W-2 wage and qualified property limitations and added a $400 minimum deduction for taxpayers with at least $1,000 in QBI who materially participate. The planning horizon is no longer constrained by uncertainty over whether the deduction will exist three years from now.

The Section 163(j) interest expense limitation also changed in ways that matter for leveraged manufacturers. OBBBA permanently returned the limitation base to EBITDA, which lets manufacturers add back depreciation and amortization in calculating the 30% adjusted taxable income cap. For operations carrying significant debt against heavy equipment investments, the EBITDA base typically allows a materially larger interest deduction than the EBIT base did under TCJA. The change is effective for tax years beginning after December 31, 2024, though fiscal-year filers may need to wait an additional year to capture the benefit. A separate OBBBA provision, effective for tax years beginning after December 31, 2025, eliminates the elective interest capitalization strategies some taxpayers had used to shift interest out of the 163(j) calculation.

Energy Incentives, the Closing Window and What to Plan Around

The Section 179D deduction for energy-efficient commercial buildings remains available, with deduction rates up to $5.00 per square foot for projects meeting the base energy savings thresholds and up to $5.81 per square foot for projects that also satisfy prevailing wage and apprenticeship requirements. The window is closing. Under OBBBA, Section 179D terminates for property the construction of which begins after June 30, 2026. Manufacturers planning lighting retrofits, HVAC upgrades or building envelope improvements at U.S. facilities have a narrowing timeframe to break ground and qualify. Section 45L, the Energy Efficient Home Credit, expires under the same cutoff.

Other manufacturing-specific credits remain in place. The Section 45X advanced manufacturing production credit continues to provide per-unit incentives for producing eligible clean energy components, and the New Markets Tax Credit offers a 39% federal credit spread over seven years for qualifying investments in economically distressed communities. According to the National Association of Manufacturers, the sector accounts for more than 10% of total U.S. economic output, and many of these incentives were designed specifically to support domestic production capacity.

Build the Manufacturing Tax Plan Around What Actually Changed

The OBBBA rewrote enough of the manufacturing tax code that a plan built on pre-2025 assumptions is producing the wrong answers now. Capital expenditure timing, R&D documentation, entity structure choices and energy project schedules all benefit from a fresh look against the current provisions. If your tax strategy has not been reviewed against OBBBA in detail, the James Moore tax team can walk through where the opportunities and the closing windows sit for your operation specifically. Contact us today.

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