File New York Form IT-203-X
Prepare New York Form IT-203-X now with e-File.com
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Form IT-203-X may be used by part-year residents and nonresidents who want to amend their New York income tax return. To complete New York Form IT-203-X, the taxpayer will need additional forms such as federal Form 1040 (Schedule C or C-EZ, D, F), federal Form 4797, Form IT-203-ATT, and Form IT-370.