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Understanding Interstate Child Custody Laws

The Alexander Law Firm, LLC March 31, 2025

Gavel and blurred child with mother in backgroundAt The Alexander Law Firm, LLC, we understand that one of the most emotionally charged aspects of divorce or separation cases involves determining child custody arrangements. 

This challenge becomes even more complicated when parents live in different states or jurisdictions. Interstate child custody laws can seem overwhelming, but with the right knowledge and guidance, understanding how the law applies to your situation becomes more manageable.

When it comes to interstate child custody disputes, the laws governing them are governed by both federal and state guidelines.

Across the United States, the Uniform Child Custody Jurisdiction and Enforcement Act (UCCJEA) plays a significant role. This law establishes the rules for determining which state has jurisdiction over child custody cases and how decisions made in one state should be enforced in another.

As Kansas City family law attorneys, we want to explain how this works under the law, so you can be better informed about what to expect during a custody case that spans multiple states.

What Is Interstate Child Custody?

Interstate child custody refers to legal matters involving child custody disputes when the parents reside in different states. These cases arise in a variety of situations, such as when one parent moves to another state, or when parents live in different states at the time of divorce or separation.

What often makes interstate child custody disputes so challenging is that each state has its own child custody laws, which may be in conflict with the laws of another state.

To protect children and confirm that custody decisions are made in their best interest, the UCCJEA helps determine which state should have the authority to make custody decisions. In some cases, this means that the state where the child has lived for a certain amount of time will be the one to handle the custody case.

UCCJEA in Kansas

The UCCJEA, which is adopted in Kansas, provides clear guidelines for resolving interstate child custody cases. 

Kansas law requires that the state with "home state" jurisdiction — the state where the child has lived for the last six months — should typically make custody decisions. However, there are exceptions to this rule in cases of emergency or special circumstances, such as if a child is in danger.

Under Kansas custody law, if a child has lived in another state for at least six consecutive months before a custody case is filed, that state might be granted jurisdiction. 

The primary concern is determining which state can make decisions that are in the best interest of the child, and the UCCJEA helps to reduce the potential for conflicting orders and confusing legal battles.

In certain situations, it may be difficult to determine which state has the appropriate jurisdiction. For example, if a parent and child recently moved from another state or if the parents have different ideas about where the child should reside, it could lead to multiple jurisdictions asserting authority over the case. 

As family law attorneys, we know that these situations can create confusion and delays, and we work diligently to help clients understand how custody law applies to their specific situation.

How the UCCJEA Affects Custody Determinations

The UCCJEA aims to create consistency and clarity in interstate child custody cases. One of the key components of this law is that it seeks to avoid situations where two states issue conflicting custody orders for the same child. 

If a custody dispute arises between two states, the UCCJEA outlines specific guidelines to determine which state has the authority to make decisions about the child’s custody and residence.

The first question the law asks is: Where has the child lived for the past six months? If the child has lived in one state for that period, that state has "home state" jurisdiction. 

This helps confirm that the state with the most significant connection to the child is the one making decisions. However, the law also includes provisions for other states to assert jurisdiction if there are specific reasons, such as the child’s safety being at risk.

For example, if one parent is seeking custody in a state where the child has never lived, the court may need to assess whether that state has sufficient ties to the case to assume jurisdiction. 

Kansas courts will use these guidelines to determine which state has the right to make the final decision, making sure that the legal process is as streamlined and fair as possible.

Interstate Custody and Enforcement of Orders

Once a court has made a custody decision, enforcement becomes another important issue in interstate child custody cases. Under the UCCJEA, if one parent relocates to another state with the child, the custody orders from the original state are enforceable across state lines. 

In Kansas, this means that if a parent has been awarded custody and the other parent attempts to move with the child to another state, the parent with custody can seek enforcement of the order through the new state’s courts.

It’s important to understand that the UCCJEA also allows for the modification of custody orders, but only under certain circumstances. 

For example, if a child has been living in Kansas for an extended period of time and the original state’s court has lost jurisdiction, Kansas may be able to modify the order if it’s in the best interest of the child.

The process of enforcing or modifying custody orders across state lines can be challenging, and it often requires working with legal professionals familiar with both Kansas law and the laws of the state where the child now resides. 

We at The Alexander Law Firm, LLC are committed to helping our clients handle these interstate enforcement matters with as much efficiency and clarity as possible.

What Happens If a Parent Violates a Custody Order Across State Lines?

Unfortunately, not all custody cases proceed smoothly, and there may be situations where a parent does not comply with the terms of a custody order, particularly in interstate cases. 

If one parent violates the court’s custody order by taking the child out of state or refusing to return the child after a visitation period, it can create a difficult situation.

The UCCJEA gives the courts the ability to enforce custody orders across state lines, but it can still be a complicated process. Parents may need to seek the help of the courts in both the state where the custody order was issued and the state where the child is located. 

This process often involves seeking the assistance of law enforcement or filing a petition with the courts to enforce the custody arrangement.

It’s crucial for parents to follow the established legal processes in cases of custody violations. We understand the emotional and financial toll that violating a custody order can have, and we are prepared to guide our clients through the process of enforcing custody orders in interstate situations.

Modifying Custody Orders Across State Lines

If circumstances change significantly after a custody order has been issued, it may be necessary to modify the order. Under Kansas law, a parent may seek a modification of the custody order if there is a substantial change in circumstances that warrants a change in the child's custody arrangement.

For instance, if one parent moves to a different state or the child’s needs change significantly, a modification might be appropriate. 

However, under the UCCJEA, a Kansas court may only modify the custody order if Kansas has jurisdiction and if the modification is in the best interest of the child. If the child has moved to another state, that state may be the one to handle the modification request.

Modifications can be a complicated process, especially in interstate cases. This is where our experience with custody law can make a significant difference in achieving a fair and just outcome for both parents and children.

What Parents Should Know About Interstate Custody Disputes

Interstate custody disputes can be a long and difficult process, but understanding the basics of Kansas custody law and how the UCCJEA applies can help you prepare for what lies ahead. 

Whether you’re seeking to establish custody, enforce a custody order, or modify an existing order, it’s essential to work with experienced attorneys who can assist you in pursuing the best outcome for your child.

At The Alexander Law Firm, LLC, we’re dedicated to helping parents understand their rights and responsibilities under custody law. We believe that every child deserves to grow up in an environment that supports their best interests, and we strive to help parents achieve fair and legally sound custody arrangements.

Take the First Step—Reach Out to Us Today

At The Alexander Law Firm, LLC, we are committed to providing clear, reliable, and compassionate legal services to families facing interstate child custody disputes.

We’re proud to serve Kansas City, Kansas, and the surrounding areas of Wyandotte County and Johnson County. Call us today.