Mississippi Department of Employment Security 1 Mississippi Department of Revenue 1 Mississippi Unemployment Mississippi Department of Employment Security Mississippi Income Tax Withholding Mississippi Department of Revenue - Income Tax Withholding Wage: US-MS Unemployment WAGE_US_MS_UNEMP ER: US-MS Unemployment ER_US_MS_UNEMP EE: US-MS Income Withholding EE_US_MS_INC_WITHHOLD