As mandated by the New York State Department of Taxation and Finance, New York employers must provide nonresidents of New York State, New York City or the City of Yonkers with Form IT-2104.1, New York State, City of New York, and City of Yonkers Certificate of Nonresidence and Allocation of Withholding Tax, IT-2104.1.
This guide provides compliance guidance for HR and payroll professionals in Connecticut 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.