1065-IL ELF: Electronic filing - Illinois forms

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Forms included in the e-file

The Illinois Department of Revenue and UltraTax/1065-IL support electronic filing for the following forms:

  • Calendar year returns
  • Fiscal year returns
  • Extensions (IL-1065-V)
  • Estimates (IL-1065V)

Electronic filing is supported for the current year and two prior years only.

For a complete list of forms supported for electronic filing, see Forms included in the electronic record

Forms not supported for e-filing

The Illinois DOR does not support electronic filing for the following types of forms:

  • Amended returns,
  • Short year returns,
  • PDF attachments are not permitted
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 payment exceeds $20,000 then EFT is required. Direct deposit is also available for any refunds. 


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