OBBBA’s “No Tax on Overtime” Rule: What Small Business Owners Must Report on 2026 W-2s

reading time: 31 minute(s)

The One Big Beautiful Bill Act (OBBBA) didn’t just shake things up for employees — it handed small business owners a brand-new set of payroll reporting obligations. If you have hourly workers logging overtime, your 2026 W-2s are going to look different than anything you’ve filed before. Here’s exactly what changed, what you need to track, and how to stay on the right side of the IRS.

First, the Big Picture: What Is the OBBBA Overtime Provision?

Signed into law on July 4, 2025 (Public Law 119-21), the One Big Beautiful Bill Act delivered on a campaign promise that was hard to miss: letting workers keep more of their overtime pay. Starting with wages earned on or after January 1, 2025, eligible employees can now deduct a portion of their qualified overtime compensation from their federal taxable income.

Here’s the important nuance — it’s not that overtime becomes tax-free at the paycheck level. Employees still get federal income tax withheld on overtime when they’re paid. The benefit comes at tax time, when they claim a deduction on their Form 1040. And for that deduction to work, your W-2 has to tell the story.

Key Numbers at a Glance:

• $12,500 — Maximum deduction for single filers
• $25,000 — Maximum deduction for married filing jointly
• 2025–2028 — The window this deduction is available
• $150,000 MAGI — Where the phase-out begins for single filers ($300,000 for joint filers)

IRS Source: The deduction limits and MAGI phase-out thresholds are confirmed in IRS Notice 2025-69 and the IRS FAQ published January 2026 (FS-2026-01).

What Counts as “Qualified” Overtime? (This Is Critical)

Not all overtime pay qualifies for the deduction — and this distinction is where a lot of small business owners get tripped up. The IRS is very specific here.

What Qualifies

Qualified overtime compensation means overtime that is required under Section 7 of the Fair Labor Standards Act (FLSA) — specifically, the premium portion only. That’s the “half” in “time and a half.” If your employee earns $20/hr and you pay them $30/hr for overtime, only the extra $10 (the premium) is qualified overtime for deduction purposes.

What Does NOT Qualify

Watch Out — State Overtime is a Common Trap: If you’re in California, Colorado, Alaska, Nevada, Oregon, or Puerto Rico, your state may require daily overtime (e.g., over 8 hours in a day). That extra pay does not count as qualified overtime under the OBBBA. Only the federal FLSA weekly overtime requirement (over 40 hours/workweek) creates qualifying amounts.

The 2025 Transition Year: What Happened with Last Year’s W-2s

Since the OBBBA was signed mid-2025 and applied retroactively to January 1, 2025, most payroll systems weren’t ready to track the overtime premium separately from day one. The IRS recognized this reality and gave employers a grace period.

For the 2025 tax year (W-2s filed in early 2026):

• Separate reporting of qualified overtime was not mandatory
• The IRS waived penalties for failing to separately report it (Notice 2025-62)
• Employers who wanted to report it could use Box 14 with the label “QUAL OT”
• Employees whose employers didn’t report it could use IRS Notice 2025-69 methods to estimate their own deduction on their Form 1040
• The 2025 Form W-2 itself was not redesigned to accommodate the new reporting

Bottom Line on 2025: If you already filed your 2025 W-2s without separately reporting qualified overtime, you’re in the clear — no penalties apply. But now it’s time to get your payroll systems ready for 2026, because the transition relief is over.

The 2026 W-2: What’s Changed and What You Now Must Do

On January 9, 2026, the IRS released the finalized 2026 Form W-2 — and it’s noticeably different. This is the version you’ll file in early 2027 for the 2026 tax year, and qualified overtime reporting is now mandatory.

New Box 12 Code: TT (The Big One)

The IRS added three brand-new Box 12 codes to the 2026 W-2. The one that matters most for overtime is:

Code TT is where you report the cumulative premium amount of all FLSA-qualifying overtime paid to that employee during the calendar year. Remember: this is informational — it doesn’t reduce Box 1 wages. The full overtime pay still appears in Box 1; the Box 12 TT amount is simply the piece the employee may deduct on their own return.

Box 14 Has Been Reorganized Too

The familiar catch-all Box 14 has been split into two parts on the 2026 form:

Note on Final Instructions: As of the time of this writing, the IRS has released the finalized 2026 Form W-2 but final General Instructions are still being watched closely by payroll professionals. Keep an eye on IRS.gov and your payroll software for updates before year-end 2026 processing.

What This Means for Your Payroll System Right Now

The mandatory reporting for 2026 means you can’t wait until December to figure this out. Your payroll system needs to be tracking the FLSA overtime premium separately starting January 1, 2026 — or you’ll have a messy reconstruction project on your hands at year-end.

Here’s what to get in order:

Step 1: Identify Your FLSA Non-Exempt Employees Go through your workforce and confirm who is actually covered by the FLSA’s overtime requirement. Salaried workers earning above the DOL threshold ($684/week as of 2025) are typically exempt. Hourly workers are usually non-exempt. This distinction determines who gets a TT entry on their W-2.

Step 2: Set Up Separate Earnings Codes for the Overtime Premium Your payroll system needs to isolate the premium portion of overtime — not the full overtime wages. Work with your payroll software provider or HR team to create an earnings code that tracks only the “half” of “time and a half.” The total FLSA overtime premium for the year is what feeds Box 12 code TT.

Step 3: Exclude State-Only and Non-FLSA Overtime If your state requires daily overtime or you pay overtime through a collective bargaining agreement, make sure those amounts are coded separately and not included in the qualified overtime total. Mixing these will result in incorrect W-2s and could lead to employee over-claiming deductions.

Step 4: Reconcile at Year-End Before W-2 Processing Run a report of all qualified overtime premiums by employee for the year. Reconcile it against your payroll records and make sure the totals tie out before you generate W-2s. Errors in Box 12 code TT could trigger IRS penalties under Sections 6721 and 6722.

Step 5: Communicate the Change to Your Employees Many employees are expecting a big tax break on their overtime and may not fully understand how the deduction works (it’s a deduction on their personal return, not a paycheck reduction). A simple note explaining that Box 12 code TT on their W-2 is the number they’ll use when filing, and directing them to their tax advisor can prevent a lot of confusion come January.

Penalties for Getting It Wrong

The transition relief of 2025 is gone. For the 2026 tax year and W-2s filed in early 2027, the IRS will enforce the new reporting requirements. Employers who fail to correctly report qualified overtime compensation on W-2s face penalties under IRC Sections 6721 and 6722:

Heads Up: If you have 50 employees who worked overtime and you fail to report Box 12 code TT correctly on all their W-2s, both the W-2 filed with the SSA and the copy furnished to the employee can each trigger separate penalties. The cost of noncompliance can add up quickly.

The Employee Withholding Piece: W-4 Updates for 2026

Here’s a nuance worth knowing when your employees ask: if a worker wants to adjust their withholding to account for the overtime deduction going forward, they need to submit a new 2026 Form W-4. The updated W-4 includes a Deductions Worksheet with two new lines:

• Line 1(a) — Estimated qualified tip income
• Line 1(b) — Estimated qualified overtime compensation

Employees who expect to earn significant qualified overtime throughout 2026 can estimate that amount and enter it on Line 1(b), which effectively reduces the withholding during the year. As their employer, you simply process the updated W-4 — no special steps required on your end beyond that.

Quick Reference: 2025 vs. 2026 Overtime Reporting at a Glance

3 Things to Do Right Now

If you’re reading this and haven’t started thinking about your 2026 payroll setup, here’s your short action list:

1. Audit your overtime tracking today. Can your payroll system isolate the FLSA overtime premium separately from total overtime wages? If not, that’s the first gap to close.

2. Confirm FLSA status for every employee. Know who is exempt and who isn’t. Your Box 12 TT entries only go on W-2s for FLSA-eligible (non-exempt) employees who worked qualifying overtime.

3. Verify your payroll software is 2026-ready. Ask your payroll provider directly: “Are you set up to populate Box 12 code TT on 2026 W-2s?” If the answer isn’t a clear yes, it’s time to make moves.

The OBBBA’s no-tax-on-overtime provision is genuinely good news for your employees — but the reporting obligations that come with it are real and now fully in effect for 2026. The good news is that if you get your payroll system organized now, this is completely manageable. The key is tracking the right portion of overtime (the FLSA premium only), keeping clean records, and making sure your W-2 filing solution is ready for the updated 2026 form.

Simplify Your W-2 Filing with TaxBandits

The OBBBA brought new W-2 reporting rules — but that doesn’t mean more stress for your business. TaxBandits handles your W-2 filing and tax payments on your behalf, so you don’t have to worry about tracking down the right box codes, meeting IRS deadlines, or staying on top of every regulation change.

From the new Box 12 code TT for qualified overtime to SSA e-filing, TaxBandits takes care of it all — accurately and on time. You focus on running your business; we’ll handle the paperwork.

Ready to get started? Visit TaxBandits.com and let us take W-2 compliance off your plate.