Fundamentals · May 1, 2026

What Is Taxable Payroll? Federal vs State Definitions

By David Newman — Referral Partner, Section 125 Savings · San Pedro, CA
Published May 1, 2026

Taxable payroll = wages subject to federal FICA, state income tax, and Workers' Comp premium. Section 125 reductions exit the taxable payroll base by IRS definition. Plain English.

IRS Section 125 — Federal Law Since 1978
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'Taxable payroll' refers to the wages on which payroll-related taxes and assessments are calculated. The exact definition varies by tax: federal FICA, federal income tax, state income tax, state UI, state SDI (where applicable), and Workers' Comp premium each have their own definitions of taxable payroll. Section 125 cafeteria plan pre-tax reductions exit most of these bases — that's the structural mechanism by which Section 125 saves employers money.

Federal FICA-taxable wages: gross wages minus pre-tax Section 125 reductions, minus pre-tax 401(k) contributions, minus other authorized exclusions. Reported on W-2 Box 3 (Social Security wages, capped at the wage base) and Box 5 (Medicare wages, no cap). Federal income-taxable wages: same calculation. Reported on W-2 Box 1. Workers' Comp reportable taxable payroll: state-specific definition that typically aligns with FICA-taxable wages plus or minus state-specific exclusions (overtime premium portion, severance, certain bonuses, etc.). Section 125 reductions exit this base in every state. State income tax-taxable wages: state-specific. Most states honor federal Section 125 treatment (CA + NY do). Some states (TX + FL) have no state income tax, so this is moot.

How the math works (in 90 seconds)

For every enrolled W-2 employee earning $25,000+/year and covered under an ACA-compliant group health plan:

  • Pre-tax salary reduction: $1,200/month · $14,400/year
  • Employer FICA savings (7.65%): $1,101.60/year
  • Less program admin fee ($35/mo): −$420/year
  • Net employer savings: $681.60/employee/year
  • Employee net take-home raise: +$71.96/paycheck (~$863/year)
  • Workers' Comp reduction: 30–60% real-world at next audit cycle

A 50-employee company nets $34,080/year in net FICA + industry-specific WC reduction. Run the calculator → for your specific number.

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Minimum 10 W-2 employees  ·  $25K+ salary  ·  ACA-compliant health coverage required
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Verified compliant — May 2025 + August 2025

The Section 125 Preventive Care program described above was independently reviewed in 2025 by:

  • HitesmanLaw P.A. (May 5, 2025) — 8-page formal legal opinion from Darcy L. Hitesman, J.D., a Super Lawyer-rated ERISA attorney with 35+ years in IRC § 125 practice, AV-rated since 1998, co-author of the national ERISA compliance manual. Concludes the program "satisfies applicable IRS requirements."
  • CBIZ Advisors LLC (August 22, 2025) — top-7 U.S. accounting firm, 135,000+ clients. Independent review confirms compliance with IRC §§ 125, 105, 106, ERISA, ACA, and COBRA when operated per its provisions.
  • $500,000 insurance-backed legal protection per enrolled employer + $10,000 per employee participant.

Read the full compliance authority page → · IRS.gov — Cafeteria Plans (Section 125) · 26 U.S. Code § 125

A real result from a real company

Black Tiger Transportation — 66 W-2 employees, Southern California medical transport, CEO is a CPA — saves $140,000/year through this exact program structure. Read the full case study →

This isn't a projection — it's reported, on the public record, from operators whose own CPAs and attorneys reviewed the documentation before signing. Browse the full case study set →

How to verify it yourself

Three primary sources, all public:

  1. IRS.gov — Cafeteria Plans — the law in the IRS's own words.
  2. 26 U.S. Code § 125 — the federal statute itself.
  3. The Hitesman opinion + CBIZ review — both share-able PDFs, available on your free 15-minute analysis call.

Ready to see your number?

Run the calculator above for an instant net-savings estimate, or book the free 15-minute analysis with the tax specialist for the exact number — no pitch, just math.


Content reviewed by Virginia Fish, CPA — tax and employer benefits specialist with 10+ years in financial reporting and payroll tax strategy.

FAQ

No. Gross payroll includes everything paid to employees. Taxable payroll for any specific tax is gross payroll minus pre-tax reductions and other authorized exclusions specific to that tax.
$1,200/W-2 employee/month for the Preventive Care variant = $14,400/year per employee. On a 50-employee operation, that's $720,000/year of taxable payroll reduction.
State-specific, but Section 125 pre-tax reductions exit the WC base in every state. The IRS definition of pre-tax reductions controls; state WC bureaus follow uniformly.
Section 125 reductions reduce Box 1 (federal taxable wages), Box 3 (Social Security wages), and Box 5 (Medicare wages). The annual deduction total appears in Box 14 with the deduction-item label.
Legal & Accounting Proof

Verified by the Best in the Country

Skepticism is the right response. We don't ask you to take our word for it — we bring institutional proof that convinced CPAs, CFOs, attorneys, and insurance brokers to enroll their own companies.

Darcy L. Hitesman, J.D.

HitesmanLaw P.A. · Minneapolis, MN

35+ years as an Employee Benefits attorney specializing in IRC Section 125, ERISA, HIPAA, and the ACA. Her May 5, 2025 opinion letter concludes: “In this firm's opinion, the Program described satisfies applicable IRS requirements.”

She specifically reviewed the IRS Chief Counsel Advice memoranda on "double-dip" arrangements — the exact schemes the IRS has flagged — and concluded this program is built differently and compliantly.

Named a Super Lawyer every year since 2000. AV-rated (highest possible rating) in Martindale-Hubbell since 1998.
Co-author: ERISA Compliance for Health & Welfare Plans (Thomson Reuters/EBIA) — the national compliance standard manual since 1999.
Member, Technical Advisory Group — Employers Council on Flexible Compensation. She helps set the industry standards for Section 125 plans nationally.

CBIZ Advisors LLC

Top-7 U.S. Accounting Firm · Cleveland, OH · 135,000+ Clients

CBIZ independently reviewed the program against IRC §§ 125, 105, and 106, plus ERISA, ACA, and COBRA requirements. Their August 22, 2025 letter concludes: “If operated per its provisions, the Program appears to satisfy the requirements of ERISA, the ACA, and COBRA as well.”

This review was commissioned by Affinity Hospice's CEO before enrolling his nationwide organization — and the CFO (himself a CPA) shared the letter publicly in his testimonial.

Top-7 U.S. accounting firm. 10,000+ employees across 100+ offices. Serves 135,000+ clients nationally.
Review covers: IRC §125 cafeteria plan, §105/106 wellness benefit rules, ERISA plan asset treatment, ACA integration, and COBRA obligations.
$500,000 legal protection per enrolled employer · $10,000 per employee participant · Insurance-backed.
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Direct From the U.S. Government

Section 125 has been in the Internal Revenue Code since 1978. Congress wrote it there specifically to encourage employers to fund preventive healthcare for American workers. This is not a loophole — it is the precise, intended use of a 47-year-old federal law, grounded in IRS Revenue Ruling 69-154, the specific published ruling supporting the benefit payment structure.

→ Verify on IRS.gov — Section 125 Cafeteria Plans ↗

Content reviewed by Virginia Fish, CPA — tax and employer benefits specialist with 10+ years in financial reporting and payroll tax strategy.

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Verified: CBIZ Advisors LLC (Aug 2025) · HitesmanLaw P.A. (May 2025)
$500K legal protection per enrolled employer · IRS Section 125 · Federal law since 1978