When people hear “child support changes,” the reactions are usually immediate:
“Does this mean a 50/50 schedule will result in no child support?”
“Do I need to change my parenting schedule?”
“Should I start counting overnights?”
Proposed Illinois child support changes for 2027 under SB3524 could affect how support is calculated in some shared parenting cases. The bill has passed the Illinois House and Senate and is awaiting final action, and would take effect January 1, 2027, if signed into law.
The bill includes more than one change, but the part receiving the most attention is how parenting time may be factored into child support calculations. For example, under the proposed Illinois child support changes, the shared parenting threshold would decrease from 146 overnights per year to 110 overnights per year, and courts may also be able to consider certain periods of parenting time as overnight equivalents.
Before anyone starts rearranging parenting schedules or assuming support will automatically increase or decrease, it helps to look at what the bill says or continue reading below.
This Is Not the Law Yet for Illinois Child Support
At the time of the posting of this blog, the bill is still awaiting final action, which means nothing changes today.
Your current court orders remain in place. Your existing parenting schedules remain in place. Your existing child support obligations remain in place unless they are changed through the proper legal channels.
Still, because family law decisions often involve long-term planning, this is worth paying attention to now.
What May Actually Change in 2027?
One of the main changes involves the number of overnights needed for a case to be treated as shared physical care. Under the current law, the shared care calculation generally applies when each parent has the child for at least 146 overnights per year.
Under the proposed law, that number would drop to 110 overnights per year, and in some cases, courts may also be able to consider overnight equivalents.
That could matter for families whose schedules do not fit neatly into a week-on, week-off arrangement or in cases where one parent may handle school pickups, after-school care, activities, dinners, or long stretches of daytime parenting without the child sleeping at that parent’s home.
In other words, the proposal recognizes something parents already know: parenting time does not always begin and end with an overnight stay.
The Part of the Child Support Proposal Families May Want to Watch: Overnight Equivalents
This may ultimately become one of the most significant aspects of the bill. Historically, overnight counts have mattered because, on paper, the court assumed that they are relatively easy to measure.
Did the child sleep there? Count it. Did the child not? Do not count it.
However, we all know that real life is not always that simple, and many families have unique arrangements and schedules. For example, one parent may:
- Handle mornings and school drop-offs regularly
- Have the children after school until late evening
- Work non-traditional schedules (like 2nd or 3rd shifts, etc.)
- Split parenting responsibilities in ways that do not follow a traditional overnight arrangement
- Provide significant weekday care, but have fewer overnight stays
The proposed bill introduces the idea of overnight equivalents, which may allow courts to recognize parenting time even when the child is not physically sleeping at that parent’s home, but this may not mean every pickup, dinner, or soccer practice automatically counts.
It also does not mean parents should start keeping a minute-by-minute parenting log, but it does suggest a shift toward looking at parenting schedules with a wider lens than only counting where the child sleeps at night.
Does This Mean More Parenting Time = Less Child Support?
No, not automatically. The amount of child support paid should not be seen as a reward for reaching a certain number of overnights.
Illinois child support calculations still consider several factors, including each parent’s income, the amount of parenting time exercised, and the financial reality of supporting a child across two households.
The proposed bill creates a more detailed formula for shared care situations.
If parents meet the shared care threshold:
- The support obligation is adjusted using a shared formula
- Each parent’s income still matters
- Parenting percentages still matter
- The parents’ obligations are offset against one another
- Adjustment tables apply to certain parenting-time ranges
The proposal also includes limits intended to prevent a shared care obligation from exceeding the standard guideline calculation.
Translation: This is not, “I hit 110 nights, so child support disappears!”
Why This Change Could Matter for Families
If this proposal becomes law, it may offer more flexibility for families whose schedules do not fit traditional parenting patterns.
It could also lead to new conversations about:
- How parenting time is documented
- What should be included in a parenting plan
- What may qualify as an overnight equivalent
- Whether the written schedule matches what is happening
That does not automatically mean more conflict, but it may mean families and attorneys need to be more detailed when creating parenting plans and discussing support.
There Are Other Child Support Changes Too
The parenting-time portion of the bill is getting most of the attention, but the proposal also includes changes involving minimum child support and incarceration.
Those proposed changes include:
- A rebuttable presumption that a parent incarcerated for more than 180 days may be unable to pay child support unless evidence shows otherwise
- A rebuttable presumption of minimum child support of $40 per month per child for certain lower-income obligors
What Should Parents Do Right Now?
Do not start changing your parenting schedule, and do not assume your child support amount will automatically change.
Most importantly, definitely do not take legal advice from a social media parent’s group comment section, but we suggest you consult with a family law attorney.
Instead:
- Stay informed
- Keep reasonable records of parenting time
- Understand how your family’s schedule works
- Ask questions before making decisions
Sterk Family Law is Here to Help with Child Support Changes
Family law evolves because families evolve and at Sterk Family Law Group, we believe good planning begins with understanding where things stand today while also keeping an eye on what may be coming next.
If the bill is signed, we will continue sharing updates through blogs and podcasts about what the changes may mean for Illinois families. At Sterk Family Law Group, we believe knowledge is power. Having the right information can help you take the next step with more confidence for everyone involved. Do you have any questions about your situation? Or if you are interested in a free, no-obligation consultation or want to learn more about the Resource Center at Sterk Family Law Group, P.C. complete the form below or call us at 815-600-8950