Forming a general partnership in Illinois does not require filing formal documents with the Illinois Secretary of State, unlike many other business entities such as corporations or LLCs. By simply agreeing to engage in business together and sharing the profits and losses, a partnership is automatically formed.
The fiduciary of a domestic decedent's estate, trust, or bankruptcy estate files Form 1041 to report: The income, deductions, gains, losses, etc. of the estate or trust. The income that is either accumulated or held for future distribution or distributed currently to the beneficiaries.
Small Business Corporation Replacement Tax Return Due on or before the 15th day of the 3rd month following the close of the tax year. If this return is not for calendar year 2024, enter your fiscal tax year here. This form is for tax years ending on or after December 31, 2024, and before December 31, 2025.
Trusts and Estates must complete Form IL-1041. Computer generated forms from an IDOR-approved software developer are acceptable. 2024 Form IL-1041 is for tax year ending on or after December 31, 2024, and ending before December 31, 2025.
We grant an automatic six-month extension of time to file your return. If you receive a federal extension of more than six months, you are automatically allowed that extension for Illinois.
You must also file Illinois Schedule NR (Form IL-1041), Nonresident Computation of Fiduciary Income, to determine the income that is taxed by Illinois during the tax year.
IL-1065-V, Payment Voucher for Partnership Replacement Tax.