Electronic filing forms and payment options: 1041 Illinois (IL)

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E-file mandate

Per the Illinois Department of Revenue (DOR), if the federal return is e-filed, the Illinois return must be e-filed. There is no opt-out form.

Forms included in the e-file

The Illinois DOR and UltraTax CS support electronic filing of the following types of fiduciary returns:

• Calendar year
• Fiscal year
• Short year
• Estimates
• Extension

Forms not supported for e-filing

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

Payment methods

The Illinois DOR accepts direct debit (EFW), electronic funds transfer (EFT) and online epayment for balance due returns. Balances greater than $20,000 must be paid using EFT or EFW. Extension payments and estimate payments can be e-filed.

Direct deposit of refunds is supported.

E-filing notes

• No signature form; enter date(s) on the ILELF screen to sign the return
• No PDF attachments are permitted
• General footnote is not part of the electronic file
• Fed attachment is required for return (not extension)

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