Add Vermont H-0619 Millionaire Tax#7357
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Starting implementation of Vermont H-0619, a proposed bill that creates a 3% tax on federal AGI for individuals with AGI >= $1,000,000. Documentation and parallel development will follow.
Implements Vermont H.619 proposed bill that creates a 3% income tax surcharge on all federal AGI for taxpayers with AGI >= $1,000,000. Key details: - Rate: 3% on FULL AGI (not marginal) - Threshold: $1,000,000 federal AGI - Creates cliff effect at threshold Closes PolicyEngine#7356 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Implements Vermont H.619 proposed bill that creates a 3% income tax surcharge on federal AGI for taxpayers with AGI of $1,000,000 or more.
Closes #7356
Key Details
Important: This is NOT a marginal tax. Once the $1M threshold is crossed, the 3% applies to the ENTIRE AGI, creating a "cliff effect."
Example Calculations
Regulatory Authority
Files Added
Parameters
parameters/gov/contrib/states/vt/h619/income_tax_surcharge/rate.yaml- 3% surcharge rateparameters/gov/contrib/states/vt/h619/income_tax_surcharge/agi_threshold.yaml- $1,000,000 thresholdparameters/gov/contrib/states/vt/h619/income_tax_surcharge/in_effect.yaml- Enable/disable toggle (default: false)Variables
variables/gov/contrib/states/vt/h619/vt_h619_income_tax_surcharge.py- Surcharge calculationTests
tests/policy/contrib/states/vt/h619/vt_h619_income_tax_surcharge.yaml- 7 test casesTest Coverage
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