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How the Working Families Tax Cuts Change Your Tax Calculations in 2025-2026

The Working Families Tax Cuts bring several new deductions—no tax on tips, overtime, car loan interest—and updated inflation adjustments that can significantly affect your liability.

By Nomadic Tax Institute research team · 5-8 min read · Created

What’s New Under Working Families Tax Cuts (WFTC)

Enacted under the One, Big, Beautiful Bill Act (Public Law 119-21), the Working Families Tax Cuts bundle multiple new deductions, expanded credits, and updated tax thresholds that affect tax years 2025 through 2028. (irs.gov)

Key changes include:

  • No tax on tips: Up to $25,000 in “qualified tips” may be deducted by employees or self-employed persons per year (phases out for high-income taxpayers). (irs.gov)
  • No tax on overtime extra pay: Portion of overtime pay above regular rate (the “half” portion) deductible up to $12,500 (or $25,000 for joint filers). (irs.gov)
  • Car loan interest deduction: Interest on a personal loan used to buy a qualified vehicle (originally used, < 14,000 lbs, final assembly in US) may be deductible up to $10,000/year, for 2025-2028. Lease payments don’t qualify. (irs.gov)
  • Standard deductions and tax brackets updated for inflation for TY 2026:
    • Married filing jointly: $32,200
    • Single or married filing separately: $16,100
    • Head of household: $24,150 (irs.gov)
  • AMT (Alternative Minimum Tax) exemption increase; qualified adoption credit increased; employer-provided childcare credit limit raised. (irs.gov)

How It Impacts Your Tax Planning

  • Lower taxable income for service industry workers: Tip-earnings more cleanly deductible—helps those in restaurants, gig work, hospitality.
  • Overtime workers benefit: Extra overtime compensation above regular rate is no longer fully taxed—reduces marginal tax increases for higher overtime hours.
  • Auto loan interest now relevant: If you recently financed a personally used qualifying vehicle, this deduction could be meaningful—especially for middle-income taxpayers.
  • Standard deduction increases tighten phase-outs: Increased thresholds push more income into lower brackets; other deductions or credits with income limits may phase out differently.

What You Need To Do When Filing TY 2025 (returns in 2026)

  • Use Schedule 1-A attached to Form 1040 to report:
    • Qualified tips (Part II)
    • Qualified overtime compensation (Part III)
    • Qualified car-loan interest deduction (Part IV) (irs.gov)
  • Preserve detailed records:
    • Tip logs, employer reports, or invoices if self-employed
    • Payroll statements showing overtime
    • Vehicle loan agreement, manufacturer final assembly info, VIN, lender statements
  • Confirm value of credits/deductions against MAGI thresholds (phases outs) to maximize benefit.

Example Calculation

Suppose Maria is single, earned $60,000 in wages including $3,000 tips, and made $2,500 in overtime pay in 2025. She also has interest payments on a qualifying vehicle loan of $4,000. Under new rules:

  • Tips deduction: $3,000 (if reported) because total under $25,000.
  • Overtime deduction: portion above regular pay (say $1,250 if half of overtime pay is “extra”) or full eligible if documented.
  • Car loan interest deduction: $4,000 (if vehicle qualifies) limited by $10,000 cap.

These deductions reduce taxable income—pushing Maria into a lower bracket or increasing her refund/ lower liability."

Heads-Up Things to Watch Out For

  • These deductions are temporary: Apply only through 2025-2028, so plan accordingly. (irs.gov)
  • Not every expense qualifies—vehicle must meet criteria; overtime must be properly documented.
  • Reporting changes: Forms W-2 or 1099 may not separately list tips or overtime—your personal records become more critical. (irs.gov)
  • Income phase-outs could reduce or eliminate benefit for high earners.

Final Thought: These changes offer significant relief to many working Americans, especially in service, tip-earning, hourly, and vehicle-owning segments. If you think you qualify, gather your documentation now so you can maximize deductions when you file.

Sources

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