Yes, if your income has gone up or down significantly, Wisconsin law allows you to request a change in your child support order, but the court won’t adjust it automatically, and not every shift in income counts. Here’s what qualifies, how the process works and what the court actually looks for.
The law allows changes for substantial shifts
You can ask the court to modify support when your income changes significantly and the impact isn’t just short-term. A job loss, pay cut, new promotion or major medical issue are all examples the court may consider, as long as they clearly affect your ability to pay or your child’s financial needs. Minor or temporary changes usually are not enough on their own.
You must file a motion to change support
To officially request a change, you will need to file a motion with the court. If it has been 33 months or more since the last order, you can request a review without showing additional proof. If it has been less than that, you will have to show clear evidence that the financial change is both substantial and likely to last.
The court looks at fairness, not just numbers
After you file, the court won’t simply run your new income through a formula and approve the change. Judges start with the state’s child support guidelines, but they don’t stop there. They also look at how much time your child spends with each parent, how much you each earn now and whether any new expenses affect your child’s day-to-day life. The goal is to find a fair outcome based on the full picture.
If things have changed, don’t wait to act
Whether you are making more or struggling to keep up, you don’t have to guess what the court might do. Talk to a family law attorney early so you can make informed decisions, protect yourself from arrears and adjust things before the situation gets harder to fix. One smart step now can save you a lot of stress later.



