
No Tax on Overtime in 2026: What the New W-2 Box 12 Code TT Requirement Means for Employers
Starting with tax year 2026, employers must separately report qualified overtime compensation on Form W-2 using Box 12, Code TT — but only the FLSA-required premium half of overtime pay qualifies, capped at $12,500 for single filers and $25,000 for joint filers.










