Federal 1040X
- form 1040X with forms and schedules that support the changes
- attached to the front of 1040X: W-2, W-2C, W-2G, 1042-S, 8288-A
- attached to the back of 1040X: any other source documentation
NY IT-201-X
- IT-201-x with schedules or forms
- documentation applicable, such as Form 1040x with schedule and forms that support the changes
Benc Tan 