← The Guides § Tax Deductions · No. 68 · Aug 3, 2026 · 8 min read · 1900 words

Your 2026 W-2 Has Three New Boxes. If Your Employer Fills Them In Wrong, You Lose the Deduction.

Separate reporting of tips and overtime was optional for 2025. For tax year 2026 it's mandatory — Box 12 codes TP and TT, plus a Treasury occupation code in the new Box 14b. Here's what each box means, what happens when it's blank, and why you should check a payslip in August rather than a W-2 in January.

The Quiet Deadline in Your Payroll System

The no-tax-on-tips and no-tax-on-overtime deductions have been law since July 2025. You could claim them on your 2025 return. Most people who qualified did, more or less successfully, by digging through pay stubs and doing arithmetic the IRS explicitly told them they'd have to do themselves.

That was the transition year. For tax year 2026 — the return you'll file in early 2027 — the guesswork moves off your desk and onto your employer's. Separate reporting of qualified tips and qualified overtime on the W-2 is now mandatory, not optional.

Which sounds like good news, and mostly is. But it creates a failure mode that didn't exist last year: if your employer's payroll system isn't configured correctly, the box that proves your deduction arrives blank or wrong, and you find out in January when it's far too late to fix the underlying data. It's August. There are five months of payroll runs left. This is the cheap moment to check.

§ 01Three New Codes, One New Box

The 2026 Form W-2 gained three Box 12 codes and split Box 14 in two. Here's the whole change:

FieldCarriesFeeds
Box 12, code TTQualified overtime compensationOvertime deduction (up to $12,500 / $25,000)
Box 12, code TPTotal cash tips reported to employerTips deduction (up to $25,000)
Box 12, code TAEmployer contributions to a Trump accountExcluded from your income
Box 14a"Other" — the old free-text fieldNothing new
Box 14bTreasury Tipped Occupation Code (TTOC)Validates the tips deduction

Code TA is the quiet one — it's how employer contributions to a Trump account show up without landing in your taxable wages. If your employer offers one and Box 12 shows nothing under TA, that's worth a question too.

The two that decide real money for real people are TT and TP.

§ 02Code TT: Only the "Half"

This is the single most misunderstood number on the new form, and the misunderstanding runs in the direction of disappointment.

Code TT does not report your overtime pay. It reports the premium portion — the "and-a-half" in time-and-a-half, and only the part the Fair Labor Standards Act actually requires.

Work an overtime hour at a $30 regular rate and you're paid $45. The base $30 is ordinary wages, taxed like every other hour you worked. The extra $15 is what belongs in Code TT. Over a year at ten overtime hours a week, that's roughly $7,800 in the box — not the $23,400 you actually earned working those hours.

Code TT is a third of what most people assume it is. That's not an error — it's the statute.

Two consequences worth holding onto. First, the $12,500 cap is far less binding than it looks; you'd need something like 16 overtime hours a week at $30 to reach it. Second, overtime your employer pays voluntarily — because a union contract or company policy requires it, rather than the FLSA — doesn't count. If you're a salaried exempt employee working sixty-hour weeks, there is no FLSA overtime entitlement, so there's nothing to put in the box. That hasn't changed since the deduction was created, but the box makes it visible.

§ 03Code TP and the Occupation Code Nobody Expected

Code TP is more intuitive: the total cash tips you reported to your employer, feeding a deduction capped at $25,000.

The genuinely new thing is what has to travel alongside it. Every W-2 carrying an amount in Code TP must also carry a Treasury Tipped Occupation Code in Box 14b. The TTOC identifies which qualifying occupation the tips came from — the categories the IRS finalised in its April 2026 regulations covering food and beverage service, hospitality, personal appearance and wellness, recreation, transportation and the rest.

Three mechanics matter:

  • Up to two codes. If you earned tips in more than one qualifying occupation during the year, your employer can report two.
  • "000" means it doesn't qualify. If tips came from an occupation outside the qualifying list, the employer enters 000 — and that portion isn't deductible.
  • It's a validation gate. Tips in Code TP without a sensible TTOC in 14b is exactly the kind of mismatch that gets a return flagged automatically.

If your job sits at the edge of a category — you're a delivery driver, or a hotel worker who splits time between front desk and service, or you tip-pool across roles — the code your employer picks is now doing real work on your return. Worth knowing what they've selected before it's printed.

§ 04When the Box Is Blank: Schedule 1-A

Suppose January arrives and Box 12 has no TT, or no TP, and you know you earned both. You are not out of luck.

The IRS built Schedule 1-A for exactly this. Its instructions walk you through calculating qualified overtime compensation and qualified tips yourself when your W-2 or other statement doesn't break them out. That was the standard route for the 2025 return, when separate reporting wasn't yet required, and it remains the fallback for 2026.

But treat it as a fallback, not a plan. Self-calculating means reconstructing the premium portion of every overtime hour across twelve months from pay stubs, or rebuilding a tip log from memory and card receipts. It's slow, it's the sort of arithmetic that produces off-by-one-pay-period errors, and a hand-derived figure with no matching W-2 entry is structurally more interesting to the IRS than one the employer already reported. Every hour you spend on that in March is an hour you could have avoided with one email in August.

§ 05The Caps and Phase-Outs, Briefly

Nothing here changed for 2026 — but since the boxes are new, it's worth restating what the numbers in them are worth:

Overtime (TT)Tips (TP)
Maximum deduction$12,500 single / $25,000 joint$25,000
Phase-out begins$150,000 MAGI / $300,000 joint$150,000 MAGI / $300,000 joint
Itemising required?No — above the lineNo — above the line
Reduces payroll tax?NoNo

That last row stays the most consequential fine print in the whole package. Both deductions cut federal income tax only. Social Security at 6.2% and Medicare at 1.45% still apply to every dollar of tips and every dollar of overtime, premium included. "No tax on tips" was always shorthand for "less income tax on tips."

You can claim both in the same year if you qualify for both, and both stack on top of the $16,100 standard deduction rather than competing with it. Run your own figure through the US calculator to see what the deduction is actually worth at your marginal rate — for most people in the 12% or 22% bracket it's a few hundred to a few thousand dollars, not the headline number.

§ 06What to Do in August, Not January

The entire point of writing this in August is that payroll data is fixable now and frozen later. Five things:

  • Pull your most recent pay stub and look for the overtime premium as a separate line. If your employer is tracking it separately for you to see, they're almost certainly tracking it for Box 12. If overtime appears as one blended figure, ask.
  • Ask HR one direct question: "Is our payroll system configured to report Box 12 codes TT and TP, and Box 14b, for the 2026 W-2?" You'll learn a lot from how quickly they answer.
  • If you receive tips, confirm your TTOC. Ask which Treasury Tipped Occupation Code they've assigned you, and whether it's right for what you actually do. This is the newest field and the most likely to be misconfigured.
  • Report all your tips. Unreported cash tips can't appear in Code TP, and what isn't in Code TP isn't deductible. The old logic of under-reporting now costs more than it saves.
  • Keep your own records anyway. A simple monthly note of overtime premium and tips takes minutes and turns a Schedule 1-A reconstruction from an ordeal into a cross-check.

For the underlying rules rather than the paperwork, our guides to the tips deduction and the overtime deduction cover who qualifies, the occupation list, and how the phase-outs work. Both provisions sunset after 2028 unless Congress extends them — four years, of which you've now used two.

§ 07Key Takeaways

Separate reporting is mandatory for tax year 2026. Box 12 code TT for qualified overtime, code TP for qualified tips, code TA for Trump account contributions.

Code TT is the premium only — the "half" of time-and-a-half, not your total overtime pay. Expect roughly a third of what you assume.

Box 14 split into 14a and 14b. Any W-2 with tips in TP needs a Treasury Tipped Occupation Code in 14b; "000" marks a non-qualifying occupation.

A blank box isn't fatal — Schedule 1-A lets you self-calculate — but it's slower, error-prone, and easier to query.

Neither deduction touches FICA. Payroll tax applies to every dollar of tips and overtime regardless.

Check a pay stub now. Payroll configuration is trivial to fix in August and impossible to fix in January.

Sources: IRS 2026 Form W-2 and instructions (Box 12 codes TA, TP, TT; Box 14a/14b split); IRS Notice 2025-69 (guidance for individuals who received qualified tips or qualified overtime); IRS questions and answers on the deduction for qualified overtime compensation; Schedule 1-A and instructions; One Big Beautiful Bill Act (P.L. 119-21), effective for tax years 2025 through 2028; Treasury/IRS final regulations on qualifying tipped occupations (April 2026). This is general information, not tax advice.

Common questions

§ 09 / 09
What is Box 12 code TT on a W-2?
Code TT reports your total qualified overtime compensation for the year — specifically the premium portion, the 'and-a-half' half of time-and-a-half required under the Fair Labor Standards Act. It is not your total overtime pay. The figure in Code TT is what feeds the no-tax-on-overtime deduction, capped at $12,500 for single filers and $25,000 for joint filers. Separate reporting is mandatory for tax year 2026 W-2s.
What is Box 12 code TP on a W-2?
Code TP reports the total cash tips you reported to your employer that qualify for the no-tax-on-tips deduction, up to a $25,000 annual cap. Every W-2 that carries an amount in Code TP must also carry a Treasury Tipped Occupation Code in the new Box 14b. Like Code TT, separate reporting became mandatory for tax year 2026.
What is Box 14b on the 2026 W-2?
Box 14 was split for 2026 into Box 14a ('Other', the traditional free-text field) and Box 14b, which carries the Treasury Tipped Occupation Code — the TTOC. It identifies which qualifying occupation your tips came from. An employer can report up to two codes if you earned tips in more than one occupation, and enters '000' where an occupation does not qualify for the tips deduction.
What if my employer doesn't report my tips or overtime separately?
You can still claim the deduction. The IRS provides Schedule 1-A with instructions for calculating qualified tips and qualified overtime compensation yourself when a W-2 or other statement doesn't report them separately. You'll need your own records — pay stubs showing the overtime premium, or a tip log. It is slower, more error-prone, and more likely to draw a query than a correctly coded W-2, so getting the reporting right at source is worth the effort.