Home State Jurisdiction Under the UCCJEA: Six-Month Rule and Exceptions

Home state jurisdiction under the UCCJEA belongs to the state where a child has lived with a parent, or a person acting as a parent, for at least six consecutive months immediately before a custody case is filed. That state has first priority to decide the case, and courts in every other state must step aside unless the home state has no claim or declines to hear it.¹ The rule is a bright line by design: it forces initial custody decisions into one court and cuts off the forum-shopping that used to produce competing orders from different states.

How the Home State Is Determined

For a child six months or older, the home state is the state where the child has lived with a parent, or a person acting as a parent, for at least six consecutive months immediately before the custody proceeding began.² “Commencement” means the filing of the first pleading. That filing date locks in the calculation, and everything is measured backward from it.

The clock matters down to the day. Five months and twenty-nine days is not six months, and a court may dismiss for lack of jurisdiction on that basis. If you’re preparing to file, the operative question is simple: has the child lived here for six full months as of the date the petition reaches the clerk?

Infants Under Six Months

A newborn cannot satisfy a six-month test, so the Act uses a different standard for infants younger than six months. The home state is the state where the child has lived from birth with a parent or person acting as a parent.² The rule assumes continuous residence starting at birth. When a baby is born in one state and moved to another within days, the receiving state cannot say the child has lived there “from birth,” and the state of birth may have little to show either. That narrow scenario can push the case into the significant connection framework described below.

Who Counts as a Person Acting as a Parent

The six-month clock can run with someone other than a biological parent. A “person acting as a parent” is someone other than the child’s parent who has had physical custody of the child for six consecutive months within the year before filing, and who has either been awarded legal custody or claims a right to it.² Grandparents, stepparents, and other caregivers who meet this two-part test can establish a home state the same way a parent can.

Temporary Absences Do Not Reset the Clock

The six-month period does not restart every time the child crosses a state line. Periods of temporary absence count as part of the residency period.² A vacation, a holiday visit, a short trip for a family emergency: none of these break continuous residence. What gets contested is the line between temporary and permanent. The Act sets no maximum length for a temporary absence. Courts decide the question on the facts, looking primarily at intent. A summer visit with clear plans to return is temporary. An open-ended move with no plan to come back may not be, which can break the residency chain in the original state.

Military deployments sit in a difficult spot. A deployment or reassignment can move a child across state lines for long stretches. Those absences are not automatically treated as temporary under the UCCJEA, even where federal law protects a service member’s domicile. The service member protections in laws like the Servicemembers Civil Relief Act do not directly control the home-state analysis, which turns on where the child has actually been living. A prolonged relocation with the child during deployment can cost the original state its home state status if the child accumulates six months of residency elsewhere. The Uniform Deployed Parents Custody and Visitation Act, adopted in a growing number of states, adds some protection, and a handful of states treat a child’s absence during a parent’s deployment as a temporary absence when a custody order already exists there. Because these rules vary, families in this situation should check the law in both the departing and receiving states.

The Six-Month Lookback for Left-Behind Parents

A state also keeps home state jurisdiction if it was the child’s home state within the six months before the case is filed, the child has since left, and a parent or person acting as a parent still lives there.³ The provision exists specifically to protect the parent who stays put after the other parent leaves with the child. Without it, a relocating parent could run out the clock in a new state and force the case into a preferred court.

The window is firm. Once six months pass after the child leaves, the original state loses home state status. If the child has by then lived in a new state for six consecutive months, that new state becomes the home state.¹ Missing the window by a day can mean losing the ability to litigate in the original state.

Exclusive Continuing Jurisdiction After the Initial Order

Once a court makes an initial custody determination, that state holds exclusive continuing jurisdiction to modify its own order. No other state can change the custody arrangement while the original state retains a significant connection to the case. That exclusive authority ends only in two situations:

The original state determines that the child and the parties no longer have a meaningful tie to the state beyond mere physical presence.
The child, both parents, and any person acting as a parent all move out of the state.

Only the original state’s court can decide whether it still has a significant connection. A court in another state cannot make that call for it.¹ Either state, however, can determine that everyone has left, which is the simpler factual question.

When No Home State Exists

Sometimes no state qualifies as a home state. The child may have moved often, or an infant’s circumstances may leave the “from birth” test unsatisfied. In those situations, the UCCJEA allows a court to exercise “significant connection” jurisdiction as a secondary basis. Two conditions must both be met:

The child and at least one parent, or a person acting as a parent, have a significant connection to the state that goes beyond mere physical presence.
Substantial evidence is available in the state concerning the child’s care, protection, upbringing, and personal relationships.

This basis opens only when no home state exists or when the home state has affirmatively declined jurisdiction.³ A parent cannot skip the home state priority by arguing that another state has stronger ties. The hierarchy is mandatory.

When a Home State Declines the Case

Having home state jurisdiction does not require a court to use it. Under Section 207, a court can decline jurisdiction if it finds it is an inconvenient forum and that another state’s court would be better positioned to handle the case. The court weighs several factors:

Whether domestic violence has occurred and which state can best protect the parties and child
How long the child has lived outside the state
The distance between the courts in each state
The financial circumstances of the parties
Whether the parties agree on which state should hear the case
Where the evidence and witnesses are located
Which court can resolve the case more efficiently

The court must make specific factual findings on the record.¹ A home state that declines effectively opens the door for another state to take over under the significant connection standard.

Simultaneous Filings in Two States

When custody cases are filed in two states at once, each court must check the pleadings for any reference to a pending case elsewhere. If a court discovers a proceeding has been commenced in another state, it must pause its own case and communicate with the other court to decide which one goes forward.¹ If the courts cannot agree, the general rule favors the court where the case was filed first, and the second court should dismiss. For a left-behind parent operating within the lookback window, filing promptly is not only about the deadline; it establishes priority if the other parent files in the new state at the same time.

Wrongful Removal and Unjustifiable Conduct

Section 208 catches parents who try to manufacture jurisdiction. A court must decline to exercise jurisdiction if that jurisdiction was created by the unjustifiable conduct of the person seeking it.¹ The classic case: a parent secretly takes the child to a new state, waits out six months, and files there.

The consequences go beyond dismissal. The court must order the wrongdoing parent to pay the other side’s necessary and reasonable expenses, which can include attorney’s fees, travel costs, investigative fees, witness expenses, and childcare costs. Escaping that penalty requires showing it would be “clearly inappropriate,” a high bar.

The Act draws an important line for parents fleeing violence. A parent who leaves with a child to escape domestic violence, and in doing so violates a joint custody order, is not automatically guilty of unjustifiable conduct. Courts examine whether the flight was justified. An abused parent seeking safety is treated differently from an abusive parent who seizes a child and runs to a friendlier forum.

Emergency Jurisdiction When a Child Is in Danger

A state with no claim to home state or significant connection jurisdiction can still act temporarily when a child is in danger. Under Section 204, a court may exercise temporary emergency jurisdiction when a child is physically present in the state and either has been abandoned or needs emergency protection because the child, a sibling, or a parent is being subjected to or threatened with mistreatment or abuse.¹

Emergency orders are temporary by design. What comes next depends on whether a custody case already exists elsewhere:

If no other case or order exists, the emergency order can eventually become a final determination if the child remains long enough for the state to become the home state, provided proper notice was given.
If a case or order exists in another state, the emergency court must set a specific period for the person seeking protection to get an order from the court with proper jurisdiction. The emergency order stays in effect only until that court acts or the period expires.

A court exercising emergency jurisdiction must immediately communicate with any other state court that has or may have jurisdiction. Emergency custody orders obtained without notice to the other parent are not enforceable in other states.

Foreign Countries Treated as States

The framework reaches beyond U.S. borders. Under Section 105, courts must treat a foreign country as if it were a U.S. state when applying the jurisdictional rules. A child who has lived in another country with a parent for six months can have that country recognized as the home state, which blocks a U.S. court from exercising initial jurisdiction. Foreign custody determinations are generally recognized and enforced in the United States if the foreign court applied jurisdictional standards substantially similar to those in the UCCJEA. The one significant exception is that a U.S. court need not defer to a foreign order if the other country’s custody laws violate fundamental principles of human rights.

1
Office of Justice Programs. The Uniform Child-Custody Jurisdiction and Enforcement Act
2
National Conference of Commissioners on Uniform State Laws. Uniform Child Custody Jurisdiction and Enforcement Act (1997) – Section: 102 Definitions
3
National Conference of Commissioners on Uniform State Laws. Uniform Child Custody Jurisdiction and Enforcement Act (1997) – Section: 201 Initial Child-Custody Jurisdiction