Illinois 2025-2026 Regular Session

Illinois Senate Bill SB1688

Introduced
2/5/25  

Caption

ESTATE TAX-SPECIAL USE

Summary

SB1688 amends the Illinois Estate and Generation-Skipping Transfer Tax Act to create a more favorable estate-tax treatment for estates that include qualified farm property. For those estates, the bill replaces the current $4 million exclusion amount used in calculating the State Death Tax Credit with a $6 million exemption, and it requires that amount to be adjusted annually for inflation using the Consumer Price Index. The bill also revises how the deceased spousal unused exemption amount is calculated and applied for qualifying estates, including rules for when a surviving spouse may use that amount and when an election must be made. The bill further expands the special use valuation rules for farm property. It provides that qualified farm real property may be valued without certain federal limitations on reduction in fair market value, and it broadens the definition of “qualified heir” to include additional family members, including certain lineal descendants of a grandparent and their spouses. Overall, the measure is aimed at easing estate-tax burdens on family farms and making it easier for farm property to pass to heirs without forced liquidation or tax-driven restructuring.

Impact

SB1688 would amend Sections 2 and 5 of the Illinois Estate and Generation-Skipping Transfer Tax Act, changing the tax calculation rules for estates containing qualified farm property. It would increase the exemption used in the State Death Tax Credit calculation, index that exemption to inflation, alter the treatment of deceased spousal unused exemption amounts, and expand eligibility for special use valuation and qualified heir status. The practical effect would be to reduce or defer Illinois estate tax liability for qualifying farm estates and to broaden the class of heirs who can benefit from the farm-specific provisions.

Sentiment

The bill’s framing and substance suggest generally supportive sentiment toward family farms and agricultural succession planning. Its caption, “Estate Tax-Special Use,” and its targeted tax relief indicate a policy preference for preserving farm continuity across generations. No committee transcripts or recorded votes were provided, so there is no direct evidence of opposition or formal support in the available materials.

Contention

The main point of contention is likely the tax preference itself: supporters would view the bill as necessary to protect family farms from estate-tax pressure, while critics could argue it narrows the tax base and creates a special exemption for a particular class of property owners. Another possible issue is the expansion of “qualified heir,” which broadens eligibility beyond the traditional federal framework and could raise questions about how far the farm-specific benefit should extend. The bill also introduces inflation indexing and special valuation rules that may be viewed as increasing complexity in estate-tax administration.

Companion Bills

No companion bills found.

Previously Filed As

IL HB2677

ESTATE TAX-SPECIAL USE

IL SB2970

ESTATE TAX-SPECIAL USE

IL HB4736

ESTATE TAX-SPECIAL USE

IL SB2038

ESTATE TAX-COMPUTATION

IL HB2368

ESTATE TAX-COMPUTATION

IL SB1828

ESTATE TAX-REPEAL

IL HB3118

ESTATE TAX-REPEAL

IL SB1735

ESTATE TAX-PHASE OUT

IL HB2865

ESTATE TAX-PHASE OUT

IL HB1733

ESTATE TAX INFLATION FIX

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DE HB147

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