Yes. In most cases, you will need your Form W-2, if you are filing on wage income. If your employer does not withhold, you likely will use the Form 1099 provided by your employer. Other supporting documentation you may need includes: Schedule(s) UE, G-L, C, E, F and/or RK-1.
If you file online, Keystone’s e-file will prompt you to provide certain information from your applicable schedules.