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IllinoisSB0027104th General Assembly (2025–2026)SenateWALLET

MARRIAGE ACT-CHILD SUPPORT

Sponsored By: Michael E. Hastings (Democratic)

Became Law

assignmentsjudiciaryjudiciary - civil

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Bill Overview

Analyzed Economic Effects

8 provisions identified: 3 benefits, 2 costs, 3 mixed.

New standard child support formula

Illinois sets official child support guidelines, worksheets, and a schedule. Courts figure each parent’s net income, add them, find the table amount for the combined income and number of kids, then split it by income share. A standardized tax table converts gross pay to net income. Judges start from the guideline amount and must write reasons to change it. These rules apply beginning January 1, 2025.

Support uses potential income if not working

If a parent is voluntarily unemployed or underemployed, support is based on potential income. Courts look at work history, skills, job opportunities, assets, and local earnings. If work history is not enough, the presumed potential income is 75% of the HHS poverty guideline for one person. This rule is effective January 1, 2025.

Sharing kids' health and child care costs

Courts may order a parent to provide health, dental, or vision insurance and to share uninsured medical costs. The child’s share of the premium is added to support, but a reasonable cost cannot exceed 5% of the providing parent’s gross income. A parent below 133% of the HHS poverty guideline, or whose child has Medicaid through that parent’s income, is not required to pay for private coverage unless it costs them nothing. Courts may order parents to share necessary child care for work or school, split by each parent’s share of combined net income. If added, the federal child care tax credit value is subtracted from the child care cost. These rules start January 1, 2025.

Support formula for shared parenting time

When each parent has 146 or more overnights a year, the basic support amount is multiplied by 1.5. Each parent’s share is based on their share of combined net income, and the higher‑owing parent pays the difference. The Department provides a worksheet and uses the standardized tax amount. This applies January 1, 2025.

Support rules for very low income parents

If a parent’s gross income is at or below 75% of the HHS poverty guideline for one person, the minimum is $40 per month per child, capped at $120 total. If a parent has no income, gets only means‑tested aid, or cannot work due to a medically proven disability, incarceration, or institutionalization, the presumptive order is $0. Courts may divide the total equally among the children unless ordered otherwise. These rules start January 1, 2025.

Main caregiver claims child as dependent

Unless a court orders otherwise or the parents agree, the parent with most parenting time is presumed to claim the child as a tax dependent. This presumption applies beginning January 1, 2025.

Support covers 18-year-olds in high school

A child includes anyone under 18. It also includes an 18‑year‑old who is still in high school, until age 19. This definition applies beginning January 1, 2025.

Stronger enforcement of child support

Courts can require life insurance or other security to guarantee support and keep coverage until support ends. Notice of contempt for unpaid support can be served by regular mail to the last known address. Any support due and unpaid at month end accrues simple interest under state law. These enforcement tools apply beginning January 1, 2025.

Sponsors & Cosponsors

Sponsor

  • Michael E. Hastings

    Democratic • Senate

Cosponsors

  • Laura M. Murphy

    Democratic • Senate

  • Robert "Bob" Rita

    Democratic • House

Roll Call Votes

All Roll Calls

Yes: 187 • No: 0

House vote • 5/23/2025

Third Reading - Short Debate - Passed

Yes: 105 • No: 0

House vote • 4/23/2025

Do Pass / Short Debate Judiciary - Civil Committee;

Yes: 19 • No: 0

Senate vote • 4/9/2025

Third Reading - Passed;

Yes: 56 • No: 0

Senate vote • 1/31/2025

Do Pass Judiciary;

Yes: 7 • No: 0

Actions Timeline

  1. Public Act . . . . . . . . . 104-0340

    8/15/2025Senate

  2. Effective Date August 15, 2025

    8/15/2025Senate

  3. Governor Approved

    8/15/2025Senate

  4. Sent to the Governor

    6/20/2025Senate

  5. Passed Both Houses

    5/23/2025Senate

  6. Third Reading - Short Debate - Passed 105-000-000

    5/23/2025House

  7. Placed on Calendar Order of 3rd Reading - Short Debate

    5/13/2025House

  8. Second Reading - Short Debate

    5/13/2025House

  9. Placed on Calendar 2nd Reading - Short Debate

    4/23/2025House

  10. Do Pass / Short Debate Judiciary - Civil Committee; 019-000-000

    4/23/2025House

  11. Assigned to Judiciary - Civil Committee

    4/17/2025House

  12. Referred to Rules Committee

    4/9/2025House

  13. First Reading

    4/9/2025House

  14. Chief House Sponsor Rep. Robert "Bob" Rita

    4/9/2025House

  15. Arrived in House

    4/9/2025House

  16. Third Reading - Passed; 056-000-000

    4/9/2025Senate

  17. Placed on Calendar Order of 3rd Reading

    4/9/2025Senate

  18. Placed on Calendar Order of 3rd Reading **

    4/4/2025Senate

  19. Placed on Calendar Order of 3rd Reading March 4, 2025

    2/27/2025Senate

  20. Second Reading

    2/27/2025Senate

  21. Added as Co-Sponsor Sen. Laura M. Murphy

    2/19/2025Senate

  22. Placed on Calendar Order of 2nd Reading February 4, 2025

    1/31/2025Senate

  23. Do Pass Judiciary; 007-000-000

    1/31/2025Senate

  24. Assigned to Judiciary

    1/22/2025Senate

  25. Referred to Assignments

    1/13/2025Senate

Bill Text

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