Public Law 119-21 · IRS Schedule 1-A (Form 1040) · TD 10044

Calculate Your 2026 Overtime, Tip & Auto Loan Tax Deductions Without the Guesswork.

The 2026 tax rules require exact W-2 Box 12 Code TT (FLSA 0.5x half-time overtime only), Box 12 Code TP + Box 14b TTOC (75 qualifying tipped jobs), and a 17-digit U.S.-assembled VIN on Form 1098-VLI. Verify your eligibility and download a print-ready IRS Schedule 1-A PDF worksheet in 60 seconds.

Open Full Schedule 1-A Worksheet PDF Generator Check Vehicle VIN (Form 1098-VLI)

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Instant 2026 Schedule 1-A Estimator Form 1040

Estimated 2026 Schedule 1-A Above-the-Line Deduction:
$10,480
W-2 Box 12 Code TT (0.5x OT Premium): $7,280 · Est. Federal Income Tax Saved (22% bracket): $2,306/yr
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2026 IRS Schedule 1-A & Payroll Compliance Modules

IRS Form 1040
Schedule 1-A (Parts I–V)
All-in-One 2026 Schedule 1-A Calculator & Printable PDF Worksheet
Computes FLSA 0.5x overtime (Code TT), tipped occupations (Code TP + Box 14b TTOC), auto loan interest (Form 1098-VLI), senior $6,000 deductions, and MAGI phase-outs.
Open Schedule 1-A
Schedule 1-A Part IV
Form 1098-VLI & VIN
17-Digit NHTSA VIN U.S. Final Assembly Decoder & Audit Certificate
Queries the federal NHTSA vPIC database in real time to verify U.S. final assembly plant location, GVWR under 14,000 lbs, and $10,000 auto loan interest eligibility.
Verify Vehicle VIN
Form W-2 & Form 1099
Box 12 TT/TP & IRIS
Employer Payroll W-2 Box 12 & $2,000 vs. $600 State 1099-NEC Reconciler
Separates FLSA half-time overtime from state daily overtime and double-time for W-2 Box 12 Code TT, and flags states that still enforce a $600 1099-NEC filing threshold.
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Client Tax Intake White-Label Studio
Configure this 300+ page Schedule 1-A calculator and PDF worksheet generator with your accounting firm's header, phone number, and compliance stamp.
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Browse 300+ Programmatic 2026 Tax Eligibility & Lookup Guides

Select your occupation code, hourly overtime rate, vehicle model, or state below for pre-configured calculations:

75 Treasury Tipped Occupation Codes (TTOC 100–800)

Check if your job title qualifies under IRS TD 10044 for the $25,000 tip deduction and find your 3-digit Box 14b TTOC code.

85 Hourly Wage × Overtime Hours (Code TT) Tables

Exact FLSA 0.5x half-time premium vs. straight-time paystub breakdowns from $18/hr to $60/hr plus nurse, police, and union rules.

85 Car & Truck Models U.S. Assembly VIN Guide

Which 2025 and 2026 Ford, Toyota, Honda, Chevy, Tesla, and Ram models qualify for the $10,000 Form 1098-VLI auto loan deduction.

51 State 1099-NEC ($2,000 vs $600) & Overtime Rules

State-by-state 2026 conformity guide showing which states still enforce the $600 1099-NEC threshold and which tax overtime/tips.

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Stop answering 20-minute unbilled phone calls about "No Tax on Overtime," "No Tax on Tips," and truck loan VIN checks. Brand Schedule1ADesk for your firm free.

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