This guide provides compliance guidance for HR and payroll professionals in California regarding income tax deposit thresholds, forms and due dates; electronic deposit requirements; annual reconciliation forms; Form W-2 filing requirements; and penalties for late filing or payment of taxes.
As mandated by the Illinois Department of Revenue, covered employers must complete and file the Amended Illinois Withholding Income Tax Return, IL-941-X.
HR guidance on compliance with payroll taxes, including income taxes, Social Security and Medicare (FICA) taxes, and unemployment, disability and workers' compensation insurance taxes.