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By LexiState Editorial DeskUpdated April 1, 2026AboutMethodology

FAQ pages are short editorial summaries of the longer state and tax guides. Use the linked state agency before filing or relying on a deadline.

Does Illinois Offer a Pass-Through Entity Tax Election?

Yes. The current Illinois profile lists a pass-through entity tax election with a rate of 4.95%.

What the Current State Tax Profile Shows

Publication 129 is the checked-in source for Illinois pass-through entity treatment in this rollout.

Why This Matters for LLC Owners

LLC owners often look only at federal pass-through treatment and miss the separate state layer. The checked-in tax profile for Illinois is meant to reduce that risk by keeping the rate, election, registration, and source-link details in structured JSON that can be refreshed later.

Official Sources