Montana Department of Labor & Industries 1 Montana Department of Revenue 1 Montana Unemployment Montana Department of Labor & Industries Montana Income Tax Withholding Montana Department of Revenue - Income Tax Withholding Wage: US-MT Unemployment WAGE_US_MT_UNEMP ER: US-MT Unemployment ER_US_MT_UNEMP EE: US-MT Income Withholding EE_US_MT_INC_WITHHOLD