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Prairie State Wire

Tuesday, October 21, 2025

Illinois SALT workaround for pass-through entities to expire after 2025

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Brad Close President | National Federation of Independent Business

Brad Close President | National Federation of Independent Business

A provision in Illinois law allowing pass-through businesses to deduct state taxes from their federal tax returns will expire at the end of 2025. The Pass-Through Entity Tax (PTET) provision, often called the SALT (State and Local Taxes) workaround, was enacted in 2021 as a response to changes in federal tax law.

The Illinois General Assembly included a sunset clause when passing the measure, meaning it is set to automatically end after 2025. Without an extension, businesses in Illinois that file as pass-through entities could face higher federal tax bills beginning in 2026.

According to the Taxpayers’ Federation of Illinois, the SALT workaround saves Illinois businesses about $500 million annually.