Tax Planning
Updating Your Withholding: Navigating the One, Big, Beautiful Bill’s New Deductions
Learn how the One, Big, Beautiful Bill’s deductions starting in 2025—such as for tips, overtime, car loan interest, and seniors—affect your paycheck withholding and what you need to submit now.
By NomadicTax Research Team • 5-8 min read • November 22, 2025
## What Are the Key New Deductions from the One, Big, Beautiful Bill (OBBB) for Tax Year 2025?
The OBBB introduced several new or expanded deductions beginning in 2025 that can impact your federal withholding if you’re an individual employee. These include:
- **Qualifying tips deduction**: Employees who customarily receive tips (“qualified tips”) may deduct up to $25,000 in tips for certain occupations. ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
- **Qualifying overtime compensation deduction**: Employees can also deduct specified overtime compensation that exceeds their regular rate under FLSA rules, up to $12,500 (or $25,000 if married filing jointly). ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
- **Car loan interest deduction**: On a loan taken after December 31, 2024, used to purchase a qualifying new passenger vehicle (final assembly in U.S.), up to $10,000 interest deductible. ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
- **Enhanced standard deduction and senior deduction**: Items like higher standard deduction, additional deduction for seniors, and increased limit for state and local taxes paid. ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
## Why Your Withholding Might Be Off—And What to Do About It
Even with these deductions, your employer might still withhold taxes using older estimations. Here’s what you need to consider:
- The IRS **Tax Withholding Estimator (TWE)** has been updated to reflect increased standard deduction and child tax credit amounts, but **not yet** all the OBBB deductions (tips, overtime, car loan interest, senior deduction). ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
- If you believe you’ll qualify for any of the new deductions, you might need to adjust your withholding by submitting **a new 2025 Form W-4** with updated deductions reflected. ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
## How to Update Withholding: Step-by-Step
1. **Estimate your 2025 deductions**: Tips, overtime, car loan interest, senior status, and applicable state/local taxes. If unsure, consult a tax professional.
2. **Use the **2025 Form W-4’s Step 4(b)** deductions worksheet**, manually enter your projected deductions. Don’t double count deductions already surfaced via TWE. ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
3. **Recheck withholding at start of 2026**: These are one-year changes; verify again once all official guidance and updates from IRS/Treasury are finalized. ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
## Actionable Example: Scenario for a Married Couple with Overtime & Car Loan Interest
| Detail | Before OBBB | With OBBB Changes |
|---|---|---|
| Filing status | Married Filing Jointly | Married Filing Jointly |
| Regular income | $120,000 | $120,000 |
| Expected OT compensation | $5,000 | Eligible to deduct portion above regular rate, up to $12,500 joint |
| Car loan interest (new vehicle) | 0 | Deduct up to $10,000 if meets criteria |
| Resulting withholding | Standard tools may over-withhold | With updated Form W-4, withholding reduced, freeing up cashflow |
## Tips to Stay Compliant
- Keep documentation: **VIN** for vehicle, employer-reported tips/overtime, senior status.
- Watch for IRS updates: occupational list for “customarily and regularly receiving tips” must be published by October 2, 2025. ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
- If claiming deductions not yet reflected in TWE, don’t use both the worksheet and estimator—they may conflict. ([irs.gov](https://www.irs.gov/forms-pubs/how-to-update-withholding-to-account-for-tax-law-changes-for-2025?utm_source=openai))
By proactively updating your withholding, you can avoid surprises at tax time, improve cash flow during the year, and ensure you take full advantage of the OBBB’s changes.