Child Support

Child Support Solutions at Besserman Law

St. Charles - Edwardsville - O'Fallon - Granite City

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CHILD SUPPORT • CALCULATIONS • MODIFICATIONS • ENFORCEMENT • MISSOURI + ILLINOIS

Understanding Child Support: Stability, Fairness, and Your Child’s Best Interests

Child support is about meeting a child’s needs—not punishing one parent or rewarding the other. Whether you’re establishing support, modifying an order, or enforcing unpaid amounts, our job is to help you reach a result that is accurate, enforceable, and workable for real life in Missouri or Illinois.

2026 note: Support is heavily fact-driven. Small details—overnights, insurance, daycare, bonuses, self-employment, or hidden income—can change the outcome.

Empowering You with Knowledge: What Child Support Is (and Isn’t)

Child support exists to protect children’s stability. It helps cover day-to-day needs and ensures both parents contribute fairly based on income, parenting time, and specific expenses.

Child Support Is About the Child

Support is intended to help cover a child’s living expenses—housing, food, clothing, school-related costs, and basic care—so the child has consistent support across both households.

Not a Punishment—and Not a “Free Ride”

Child support is not designed to punish the paying parent or provide a windfall to the receiving parent. It’s a legal structure to make sure children are financially supported in a fair, predictable way.

The biggest mistake people make
Treating support like a moral argument instead of a numbers-and-facts issue. Courts use guidelines. The best outcomes come from accurate information, proper documentation, and a plan that accounts for real expenses.

How Child Support Is Calculated

Both Missouri and Illinois use guideline-based calculations, but the inputs and methodology differ. Accuracy matters—so does how income is defined (bonuses, commissions, overtime, self-employment, cash income, and benefits).

Income (Both Parents)
Wages, bonuses, commissions, overtime, self-employment, and recurring benefits.
Parenting Time
Overnights/time-sharing can affect the number, especially in shared schedules.
Health Insurance
Premiums for the child and allocation of uncovered medical costs.
Childcare / Work-Related Care
Daycare and necessary childcare expenses commonly factor into support.
Other Support Obligations
Existing support orders and other dependents may influence guideline inputs.
Special Expenses
Educational needs, therapy, and special needs expenses can require detailed planning.
OUR APPROACH

We Build the Case Like an Audit

We don’t guess. We gather proof, verify income sources, and make sure the calculation reflects the reality of your parenting schedule and expenses—so the number is defensible and enforceable.

CLEAR EXPLANATIONS

You’ll Understand the “Why” Behind the Number

Support is stressful when it feels arbitrary. We walk you through the guidelines, the inputs, and the “pressure points” that usually change results—so you can make informed decisions.

Complex Child Support Cases We Handle

Some support matters look simple—until they’re not. We routinely handle cases where standard assumptions don’t fit the facts.

Shared / 50-50 Parenting Time
When both parents have substantial time, small scheduling details can significantly impact support.
High Income / High Asset
Support may involve deviations, lifestyle considerations, and detailed expense records.
Self-Employment
Business deductions, retained earnings, perks, and cash flow require careful review.
Hidden / Undisclosed Income
We use discovery and documentation strategies to identify true income and benefits.
Children with Special Needs
Additional medical/therapy/education costs must be addressed clearly in the order.
Interstate Issues
When parents live in different states, jurisdiction and enforcement can become complicated.
Hidden income is real—and courts expect proof
If you believe income is being concealed, you need evidence and strategy—not assumptions. We help clients pursue proper documentation and court-approved discovery methods to get accurate numbers.

Modification: When Child Support Can Change

Support orders are not always permanent. If life changes substantially, the law may allow an adjustment—but there are rules, timing issues, and proof requirements.

Common Reasons for Modification

  • Job loss or significant income change
  • Change in parenting time schedule / overnights
  • New childcare or health insurance expenses
  • Major medical or educational needs for the child

Timing & Documentation Matter

Courts generally require proof and may not change support retroactively in the way people expect. If you’re paying too much—or receiving too little—waiting can be expensive.

Enforcement: When Child Support Isn’t Being Paid

A support order only helps if it’s followed. If support is not being paid, there are legal options to pursue compliance and collect arrears.

ENFORCEMENT OPTIONS

Steps We May Use

  • Motion to enforce / contempt proceedings
  • Income withholding and wage-related remedies
  • Arrears accounting and payment plans
  • Coordination with state child support agencies when appropriate
DEFENSE

If You’re Accused of Non-Payment

If you’re behind, you still have options—but you need a strategy. Courts take support seriously. We can help you address arrears, document changes in circumstances, and pursue lawful modification when appropriate.

If you’re struggling to pay support, talk to counsel immediately. Waiting can compound arrears and enforcement exposure.

Missouri vs. Illinois: Child Support Systems (Consumer-Friendly)

Both states use guideline-based support, but the framework differs. Here are the most important distinctions families should understand before negotiating or litigating support.

MISSOURI

Missouri Child Support (Form 14)

  • Missouri commonly uses a standardized worksheet referred to as Form 14 to calculate presumed support. (Reference: Rule 88.01 / Form 14) Source
  • Parenting time adjustments and specific expenses (insurance, childcare) often affect the final number.
  • Courts can deviate from the presumed amount when justified by the facts. Source
ILLINOIS

Illinois Child Support (Income Shares)

  • Illinois uses an income shares model that considers both parents’ net income and the amount of parenting time. (See 750 ILCS 5/505) Source
  • Shared parenting time can significantly change calculations—especially when overnights reach guideline thresholds. Source
  • Courts may deviate from guideline amounts based on statutory factors. Source
Practical takeaway
Missouri cases often revolve around accurate Form 14 inputs. Illinois cases often revolve around net income, shared parenting thresholds, and correct allocation of expenses. Either way, the “right” result depends on accurate information and a well-documented parenting plan.

Quick Questions About Child Support

Clear answers to what parents ask when they’re trying to plan, budget, and protect their kids.

Does parenting time affect child support?
Yes—often significantly. In both states, parenting time/overnights and who pays major expenses (insurance, daycare) can change the support result.
Can child support include daycare and health insurance?
These expenses commonly factor into the calculation or are allocated in the order. We help make sure the order is clear about premiums, uncovered medical, and how reimbursements work.
What if the other parent is self-employed or paid “under the table”?
Self-employment and cash income require strategy and documentation. The goal is to establish true income using lawful discovery and credible evidence, so the court has what it needs to set accurate support.
What should I do if support isn’t being paid?
Don’t wait. Enforcement tools exist, but timing and documentation matter. We can help you evaluate the best route to collect arrears and restore consistent support.

Fair support. Real stability.

If you need to establish, modify, or enforce child support in Missouri or Illinois, we can help you navigate the system with clarity and confidence—while keeping the focus where it belongs: on your child.

This page provides general information as of 2026 and is not legal advice. Laws, local court rules, and procedures can change. Consult an attorney for guidance specific to your situation.

Facing family or divorce issues?

At Besserman Law, we understand that family and divorce matters can be challenging and emotionally draining. Our experienced team is here to provide you with compassionate, professional legal support every step of the way.
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Disclaimer: The information on this website is for general informational purposes only and does not constitute legal advice. No attorney-client relationship is formed by viewing this website. Legal outcomes depend on the facts of each case. Consult a licensed attorney for legal advice regarding your specific situation.
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