E-filing forms
Forms included in the e-file
The Illinois Department of Revenue and UltraTax CS/1065-IL support electronic filing for the following forms:
- Calendar year returns
- Fiscal year returns
- Extensions (IL-1065-V)
- Estimates (IL-1065V)
- PDF attachments are allowed
Electronic filing is supported for the current year and 2 prior years only.
Forms not supported for e-filing
The Illinois DOR doesn’t support electronic filing for the following types of forms:
- Amended returns
- Short year returns
note
Schedules K-1 issued to the partners are not included in the e-file. However, Schedules K-1 that were received by that partnership are required to be included in the e-file. Data entry for these Schedules K-1 can be found on
Screens ILK1
through ILK1Frgn.Payment methods
Illinois DOR supports payment information in the electronic file and a balance due can be made by electronic funds withdrawal (EFW). Payments can also be made via check or electronic funds transfer (EFT). Note that if the payment exceeds $20,000 then EFT is required. Direct deposit is also available for any refunds.