MA H4219

Creates a new transportation excise tax on employers with 50 or more employees in Massachusetts, with tiered rates ranging from approximately $25/employee/year (50-99 employees) to $150/employee/year (1,000+ employees)

Caps total annual revenue at $230 million in 2026, with automatic inflation adjustments in subsequent years based on CPI-U

Deposits all revenue into the Commonwealth Transportation Fund for financing transportation-related purposes

Allows employers to deduct public transit subsidies they provide to Massachusetts employees from their tax liability

Authorizes enforcement mechanisms including interest up to 18% annually and late penalties up to 5% per month, with the tax taking effect 270 days after passage