Bill > HB235

This bill revises the taxation of social security income in Montana. Specifically, it changes the "base amount" and "adjusted base amount" thresholds for determining the portion of social security and tier 1 railroad retirement benefits that are included in Montana taxable income. The bill sets the base amount at $40,000 for single and head of household filers, and $65,000 for married filing jointly, with the adjusted base amounts set at $49,000 and $77,000, respectively. This change applies to tax years beginning after December 31, 2023.