When Can You Modify Child Support in Texas?

A child support order is not necessarily permanent. Life changes, and when it does, the child support arrangement that made sense at the time of the original order may no longer reflect reality. Texas law recognizes this and provides a process for modifying child support when circumstances warrant it.

However, you cannot simply stop paying or change the amount on your own. Modifying child support requires going through the court. Understanding when and how modifications are granted can help you take the right steps whether you are the parent paying support or the parent receiving it.

The Legal Standard: Material and Substantial Change

Under Texas Family Code Section 156.401, a court may modify a child support order if the circumstances of the child or a person affected by the order have materially and substantially changed since the date of the order. This is the primary legal standard, and it applies to both requests to increase and requests to decrease support.

The phrase "material and substantial" is intentional. Minor fluctuations in income or temporary inconveniences generally do not meet the threshold. The change must be significant enough that the existing order has become unjust or inappropriate under the new circumstances.

The Three-Year Rule: Texas law provides an alternative basis for modification. If it has been at least three years since the order was last established or modified, and the current amount differs by either 20 percent or $100 per month from the amount that would be calculated under the child support guidelines using the obligor's current income, the court may modify the order. This means you may be eligible for a modification based on the passage of time alone, even without a dramatic change in circumstances.

What Qualifies as a Substantial Change?

Courts evaluate each case individually, but certain types of changes are commonly recognized as material and substantial:

Significant Change in Income

If the obligor (the parent paying support) experiences a significant involuntary decrease in income, such as a layoff, business closure, or disability, this may justify a reduction in child support. Conversely, if the obligor's income has increased substantially, the parent receiving support may seek an increase. It is important to note that a voluntary decrease in income, such as quitting a job or choosing to work fewer hours, is generally not considered a valid basis for reducing support. Courts can impute income based on what a parent is capable of earning.

Change in the Child's Needs

As children grow, their needs change. Increased medical expenses, educational costs, extracurricular activities, or special needs that were not present when the original order was entered may justify an increase in support. Similarly, a decrease in the child's financial needs (though less common) could be a factor.

Change in Custody or Living Arrangements

If the child begins spending significantly more time with the obligor, or if primary custody shifts from one parent to the other, a modification may be appropriate. Changes in the number of children the obligor is supporting can also be relevant, as the Texas child support guidelines adjust the percentage of net income based on how many children the obligor supports.

Health Insurance Changes

If the cost of health insurance for the child changes significantly, or if one parent gains or loses access to employer-sponsored coverage, this can affect the child support calculation.

Other Life Changes

Remarriage alone does not typically justify a modification (a new spouse's income is generally not considered). However, if a parent's financial obligations change significantly due to other factors, the court may take the totality of circumstances into account.

Do not stop paying child support without a court order. Even if your circumstances have changed dramatically, you are legally obligated to pay the amount specified in the current court order until a judge officially modifies it. Falling behind on payments can result in enforcement actions including wage withholding, license suspension, contempt of court, and even jail time. If you need a modification, file the request promptly and continue paying the current amount while the case is pending.

The Modification Process

To modify a child support order in Texas, you must file a petition to modify with the court that issued the original order (or the court that has continuing jurisdiction). Here is how the process generally works:

File a Petition to Modify. The petition outlines the changes in circumstances that justify the modification and specifies what new support amount you are requesting. The petition must be filed in the appropriate court and properly served on the other parent.
Serve the Other Parent. The other parent must receive formal notice of the modification request and have an opportunity to respond. Service is typically accomplished through a process server or, in some cases, through agreed waiver of service.
Negotiation or Mediation. Many modification cases are resolved through negotiation between the parties, sometimes with the assistance of a mediator. If both parents agree on a new support amount, they can present an agreed order to the court for approval.
Hearing. If the parties cannot agree, the court will hold a hearing. Both sides will have the opportunity to present evidence about their financial circumstances, the child's needs, and any changes since the last order. The judge will then make a determination based on the evidence and the child support guidelines.
New Order. If the court finds that a modification is warranted, it will issue a new child support order reflecting the updated amount. This new order supersedes the prior order going forward.

Retroactivity: When Does the New Amount Apply?

One common question is whether a modified child support amount applies retroactively. In Texas, a modification can be made retroactive to the date the petition to modify was filed, or in some cases, to the date of service on the other party. This is an important reason to file your petition as soon as you become aware of a qualifying change. The longer you wait, the more time passes during which you are bound by the original order.

However, arrearages that accumulated before the modification filing are generally not affected. If you owe back child support under the previous order, you will still owe that amount even if the going-forward amount is reduced.

Enforcement vs. Modification: Understanding the Difference

It is important to distinguish between a modification and an enforcement action. A modification changes the terms of the existing order. An enforcement action seeks to compel compliance with the current order.

If you are the parent receiving support and the other parent has stopped paying or is paying less than the ordered amount, the appropriate remedy is typically an enforcement action, not a modification. Enforcement can result in wage withholding, liens on property, suspension of driver's and professional licenses, and even incarceration for contempt of court.

On the other hand, if you are the paying parent and your circumstances have genuinely changed, the appropriate step is to file for modification, not to simply reduce your payments unilaterally.

When to Take Action

Whether you believe you are paying too much, receiving too little, or facing financial circumstances that have changed significantly, the key is to act through the legal system. Texas courts take child support seriously, and there are established procedures designed to ensure fairness for both parents and, most importantly, for the child.

At Fowler Legal PLLC, attorney Natalie Fowler assists parents in Georgetown and throughout Central Texas with child support modifications, enforcement, and related family law matters. If your circumstances have changed and you need to explore your options, call 512-765-5811 to schedule a consultation.