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.
HR guidance on compliance with payroll taxes, including income taxes, Social Security and Medicare (FICA) taxes, and unemployment, disability and workers' compensation insurance taxes.