Tax FormsFebruary 28, 2026
What Does OBBBTT Mean on Your W-2? A Simple Explanation
If you've received your 2025 W-2 and noticed a mysterious "OBBBTT" code in Box 12, you're looking at your overtime premium pay that qualifies for the OBBB deduction.
Quick Answer
OBBBTT = "One Big Beautiful Bill Tax Tip" code for overtime premium pay. This amount can be deducted on Schedule 1-A, Line 1.
Where to Find OBBBTT
Look in Box 12 of your W-2. You'll see something like:
Box 12: OBBBTT 2,450.00
This means you have $2,450 in overtime premium pay eligible for the OBBB deduction.
OBBBTT vs OBBBT
There are actually two OBBB codes on W-2s:
- OBBBTT - Overtime premium pay (Schedule 1-A, Line 1)
- OBBBT - Tip income (Schedule 1-A, Line 2)