Last updated: April 2026

Overtime Premium Adjustments: What OT2 Means on Your Pay Stub

Most employees have no idea this payment exists on their paycheck.

If you earn overtime and your employer pays any kind of non-discretionary bonus, production bonus, attendance bonus, or shift differential, federal law requires your employer to go back and recalculate your overtime rate. The extra amount owed from that recalculation shows up as a separate line item on your pay stub, often under a code like OT2, OTPREM, or REG RATE ADJ. That payment is called an overtime premium adjustment, and it works differently from your regular overtime pay in ways that matter for your taxes.

Under the OBBBA overtime tax proposal, the overtime premium portion of your pay qualifies for a tax deduction. Regular time-and-a-half overtime contains both straight-time wages and premium pay mixed together, so you divide by 3 to isolate the premium. But overtime premium adjustments are already 100% premium. Your employer already did the math and paid only the additional half-time amount owed. No division needed. The full amount qualifies.

That distinction can mean hundreds or thousands of dollars in additional deduction that every other OBBBA calculator misses.

Why your employer owes this payment

The Fair Labor Standards Act (FLSA) requires employers to include all non-discretionary compensation in the "regular rate of pay" used to calculate overtime. When your employer pays a production bonus, attendance bonus, safety bonus, or shift differential, your overtime rate for any week you worked overtime must be recalculated to include that additional compensation.

Most employers do not recalculate overtime in real time on every paycheck. Instead, they process the bonus and then run a separate calculation afterward to determine how much extra overtime premium is owed. That amount gets paid as its own line item, usually on the same paycheck as the bonus or on the next one.

The recalculation follows five steps:

First, the employer determines how much of the bonus applies to overtime periods. Second, they divide that amount by total hours worked to find the per-hour increase to the regular rate. Third, they multiply that increase by 0.5 (the half-time premium rate). Fourth, they multiply by the number of overtime hours worked. Fifth, they pay that result as a separate earnings line.

A $500 production bonus paid to someone who worked 200 total hours (including 20 overtime hours) produces a regular rate increase of $2.50 per hour. The overtime premium owed on that increase is $2.50 times 0.5 times 20 hours, which equals $25. That $25 appears on the pay stub as OT2 or whatever code the employer uses.

When this is wrong: if your employer pays a truly discretionary bonus (a holiday gift, a spot bonus given at management's sole discretion with no pre-announced criteria), they are not required to include it in the regular rate. Only non-discretionary bonuses trigger the recalculation. The word "discretionary" has a specific legal meaning under the FLSA (DOL Fact Sheet #17A), and most bonuses that employees think are discretionary are not.

How to find it on your pay stub

There is no standard name for this payment. Every payroll system and every employer can label it differently. After 30 years of processing payroll on ADP, I have seen dozens of variations. Here are the most common earnings codes to look for:

Pull your last pay statement of the year. Look at the earnings section for any code that is not your regular pay, regular overtime, or PTO. If you see something from this list, you likely have overtime premium adjustments.

When this is wrong: some employers lump overtime premium adjustments into the same earnings code as regular overtime. If your employer does this, the payment is buried inside your total overtime number and you cannot separate it from the pay stub alone. Ask your payroll department whether bonus overtime recalculations are included in your standard OT code or paid under a separate code.

Why this is 100% overtime premium

Regular time-and-a-half overtime pay is a blend. For every $1.50 of overtime pay at 1.5x, $1.00 is straight-time wages and $0.50 is the overtime premium. That is why the OBBBA calculator divides your total overtime by 3 to isolate the premium portion.

Overtime premium adjustments are different. The employer has already isolated the premium. The five-step recalculation process produces only the additional half-time amount owed, with zero straight-time component. When you see $25 under OT2 on your pay stub, all $25 is overtime premium.

Dividing OT2 payments by 3 would be mathematically wrong. It would understate your OBBBA deduction by two-thirds of the OT2 amount.

When this is wrong: if your employer labels a payment "OT2" but it actually includes both straight-time and premium components (some employers use OT2 for a second overtime tier like double-time), that is not the same thing. True overtime premium adjustments are always calculated at the half-time rate (0.5x) only. If the code pays at 1.5x or 2.0x, it is a different type of overtime, not a premium adjustment.

What it means if your employer does not pay this

If you work overtime and receive any non-discretionary bonus, your employer is legally required to recalculate overtime on that bonus and pay the difference. There is no opt-out.

Many employers do not do this. Some do not know they are required to. Some know but consider the amounts too small to bother with. Some have payroll systems that do not automate the calculation. Regardless of the reason, failing to pay overtime premium adjustments is an FLSA violation that exposes the employer to back-pay claims, liquidated damages (double the amount owed), and Department of Labor enforcement actions.

This is one of the most common overtime violations in the country, and one of the least visible.

If you earn overtime and receive bonuses but see no separate overtime premium adjustment on your pay stub, your employer may owe you money. The PayrollDetective overtime hub covers how regular rate calculations work and what to do if you suspect your employer is not calculating overtime correctly.

How to enter this in the OBBBA calculator

The No Tax on Overtime Calculator has a field for overtime premium adjustments. Add up all OT2-type payments from paychecks dated in the tax year (not when the hours were worked, but when the payment hit your paycheck) and enter the total.

The calculator adds this amount directly to your overtime premium total with no division. It then applies the standard OBBBA cap ($12,500 for single filers, $25,000 for joint) and any applicable phase-out based on your income.

If your employer already includes overtime premium adjustments in your regular overtime total under one earnings code, do not enter them again. Doing so would double-count the amount. If you are unsure, check your pay stubs for a separate line item or ask your payroll department.

Written by a Certified Payroll Professional with 30 years of experience processing payroll on ADP, including direct experience with OT2 premium calculations for non-discretionary bonuses.

This is not legal or financial advice. The OBBBA is pending legislation and has not been signed into law. Consult a qualified professional for your specific situation.