AN ACT CONCERNING THE INDEXING OF CERTAIN PERSONAL INCOME TAX THRESHOLDS AND EXEMPTION AMOUNTS.

This bill updates Connecticut's personal income tax thresholds and exemption amounts to reflect inflation and economic changes, directly affecting state residents who file individual income tax returns. The key mechanism involves adjusting the income levels at which different tax rates apply based on filing status, such as single filers, heads of households, married couples filing jointly, and trusts or estates. By modifying these specific income brackets, the legislation ensures that the tax brackets remain relevant over time without requiring constant legislative intervention. The changes take effect on October 1, 2026, and apply to taxable years beginning on or after that date.