Domestic Production Activities Under OBBBA: What Small Manufacturers Need to Know

By Yarik Yarosh, CPA ·September 5, 2026 ·5 min read

Written by Yarik Yarosh, CPA (US & Canada) September 5, 2026 · FL CPA license AC61704 · CPA Ontario

The original Section 199 Domestic Production Activities Deduction (DPAD) allowed a 9% deduction on qualified production activities income (QPAI) from manufacturing, construction, engineering, and software development performed in the United States. The TCJA repealed this deduction for tax years beginning after December 31, 2017, and replaced it for pass-through entities with the broader IRC 199A qualified business income (QBI) deduction (20% of QBI, subject to income limitations). The OBBBA made the QBI deduction permanent. For C-Corps, the TCJA’s reduction of the corporate tax rate from 35% to 21% was intended to replace the DPAD. Small manufacturers and producers now rely on a combination of the QBI deduction, 100% bonus depreciation (restored permanently by the OBBBA), the R&D credit, immediate R&E expensing under the new IRC 174A, and the Section 179 deduction to reduce their effective tax rate on domestic production.

✓Key takeaway

Current tax incentives for domestic manufacturers (2025+):

Incentive	Benefit	Availability
QBI deduction (IRC 199A)	20% deduction on qualified business income	Pass-through entities (S-Corp, partnership, sole prop). Permanent under OBBBA.
100% bonus depreciation	Full Year 1 deduction on equipment and machinery	All businesses. Restored permanently by OBBBA.
Section 179 deduction	Up to $2,560,000 (2026 under OBBBA) on equipment	All businesses. Permanent.
R&D tax credit (IRC 41)	14% credit (simplified method) on qualifying R&D	All businesses. Payroll offset up to $500,000 for small businesses.
Immediate R&E expensing (IRC 174A)	Expense domestic R&E costs immediately	All businesses. Enacted by OBBBA, replaces the TCJA’s 5-year amortization.
WOTC (IRC 51)	Credit for hiring targeted workers	All employers.
Energy credits (IRC 45W, 48)	Credits for clean energy equipment and vehicles	All businesses.

QBI deduction for manufacturers (pass-through entities):

Factor	Details
Deduction rate	20% of qualified business income
SSTB limitation	Manufacturing is NOT a specified service trade or business (SSTB), so no income phase-out
W-2 wage/property limitation	At higher incomes, deduction limited to greater of: (1) 50% of W-2 wages, or (2) 25% of W-2 wages + 2.5% of unadjusted basis of qualified property
Income threshold (2025)	Limitation applies above $191,950 single / $383,900 MFJ

Manufacturing businesses benefit more from QBI than service businesses because manufacturing is not an SSTB, so there is no income-based phase-out (the QBI deduction is available regardless of income, subject only to the W-2/property limitation).

How do the incentives stack for a small manufacturer?

Hypothetical example

Round numbers. A small manufacturing company. S-Corp. Makes custom furniture. 15 employees.

Annual financials:

Item	Amount
Gross revenue	$2,000,000
Cost of goods sold	($800,000)
Gross profit	$1,200,000
Operating expenses	($600,000)
Owner’s salary	($120,000)
Net income before tax incentives	$480,000

Tax incentives applied:

1. 100% Bonus Depreciation (equipment purchased this year)

Equipment	Cost	Deduction
CNC machine	$150,000	$150,000 (100% in Year 1)
Delivery vehicle (over 6,000 lbs)	$60,000	$60,000
Shop tools and fixtures	$30,000	$30,000
Total	$240,000	$240,000

2. R&D Tax Credit (IRC 41) The company developed a new joinery technique and custom finish process.

R&D Expense	Amount
Wages for R&D employees (2 employees, partial time)	$60,000
Supplies used in experimentation	$15,000
Contract research	$10,000
Total qualified research expenses (QRE)	$85,000

Simplified method credit: (QRE - 50% of average QRE over prior 3 years) x 14%

Step	Calculation
Average prior 3-year QRE	$50,000
50% of average	$25,000
Current year QRE over 50% base	$85,000 - $25,000 = $60,000
Credit (14%)	$60,000 x 14% = $8,400

3. QBI Deduction (IRC 199A)

Item	Amount
S-Corp net income after depreciation and before QBI	$480,000 - $240,000 = $240,000
Owner’s K-1 income (100%)	$240,000
QBI deduction (20%)	$240,000 x 20% = $48,000

W-2 wage limitation check:

Test	Calculation	Limit
50% of W-2 wages	$600,000 total wages x 50% = $300,000	$300,000
25% W-2 + 2.5% property	($150,000) + ($240,000 x 2.5%) = $156,000	$156,000
Greater of two tests	$300,000	$300,000
QBI deduction ($48,000) below limit?	Yes	Full $48,000 allowed

4. Immediate R&E Expensing (IRC 174A, OBBBA) The company spent $30,000 on research and experimental expenditures (product development, testing). Under the OBBBA’s new IRC 174A, domestic R&E is immediately expensible (reversing the TCJA’s requirement to amortize over 5 years).

Pre-OBBBA (TCJA rule)	Post-OBBBA
$30,000 amortized over 5 years ($6,000/year)	$30,000 deducted immediately
Year 1 deduction: $6,000	Year 1 deduction: $30,000

Total tax savings:

Incentive	Deduction/Credit	Tax Savings (24% bracket)
Bonus depreciation ($240,000)	Deduction	$57,600
R&D credit ($8,400)	Credit (dollar-for-dollar)	$8,400
QBI deduction ($48,000)	Deduction	$11,520
Immediate R&E expensing ($24,000 additional vs. amortization)	Deduction	$5,760
Total tax savings		$83,280

Effective tax rate:

Item	Without Incentives	With Incentives
Pre-tax income	$480,000	$480,000
Taxable income	$480,000	$162,000 ($480,000 - $240,000 bonus - $30,000 R&E - $48,000 QBI)
Federal income tax	$115,200 (24%)	$38,880
Less R&D credit	$0	($8,400)
Net federal tax	$115,200	$30,480
Effective rate	24%	6.4%

The combination of incentives reduces the effective federal tax rate from 24% to 6.4%. Manufacturing businesses are among the most tax-advantaged business types because they benefit from equipment-heavy deductions (bonus depreciation, Section 179), the R&D credit, and the unrestricted QBI deduction (no SSTB limitation).

Illustrative numbers only, not a real client and not advice for your facts.

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Cite this page

Yarik Yarosh, CPA. "Domestic Production Activities Under OBBBA: What Small Manufacturers Need to Know." Blue Cloud CPA, September 5, 2026. https://bluecloudcpa.com/guides/small-business-domestic-production-deduction-obbba-199

This guide is general information, not tax advice for your specific situation. Which points apply, and how, depends on your facts.