Idaho Child Custody Jurisdiction (UCCJEA)

By Ronald W. Brilliant, Attorney at Law · Licensed in Idaho, Nevada & California · Last reviewed: September 2026 against the Idaho Code as posted by the Idaho Legislature (July 1, 2026)

When a child’s parents live in different states, or a family has recently moved, a question comes before anything else: which state’s courts have the power to decide custody? Idaho answers that question with the Uniform Child Custody Jurisdiction and Enforcement Act, often called the UCCJEA, found in chapter 11 of title 32 of the Idaho Code (Idaho Code § 32-11-101).

This overview explains, in plain English, when an Idaho court may make a custody order, when it keeps control over that order, when it may change another state’s order, and how orders from other states are registered and enforced in Idaho. It matters to parents, grandparents, and anyone else who is caring for a child and whose case involves more than one state or country.

What Kinds of Cases the UCCJEA Covers

A key term in the act is “child custody proceeding,” which means any case in which legal custody, physical custody, or visitation with respect to a child is an issue (Idaho Code § 32-11-102(d)). The term includes these kinds of cases, when custody or visitation may come up in them (§ 32-11-102(d)):

• Divorce and separation
• Neglect, abuse, and dependency
• Guardianship
• Paternity
• Termination of parental rights
• Protection from domestic violence

The term does not include a proceeding involving juvenile delinquency, contractual emancipation, or enforcement under part 3 of the chapter (§ 32-11-102(d)). Enforcement has its own rules in part 3, covered on the Registering and Enforcing Orders page. The act also does not govern adoption proceedings or proceedings about authorizing emergency medical care for a child (Idaho Code § 32-11-103).

A “child custody determination” is a judgment, decree, or other court order about legal custody, physical custody, or visitation. It includes permanent, temporary, initial, and modification orders, but not orders about child support or other money obligations (Idaho Code § 32-11-102(c)). A “child” is anyone under eighteen (18) years of age (§ 32-11-102(b)).

Key Terms

• Home state: the state where the child lived with a parent or a person acting as a parent for at least six (6) consecutive months immediately before the case was started. For a child under six (6) months old, it is the state where the child has lived since birth with any of those persons. Temporary absences count as part of the period (Idaho Code § 32-11-102(g)).
• Person acting as a parent: someone other than a parent who has physical custody of the child, or had it for six (6) consecutive months within the one (1) year before the case started, and who has been awarded legal custody by a court or claims a right to legal custody under Idaho law (§ 32-11-102(m)).
• Commencement: the filing of the first pleading in a case (§ 32-11-102(e)).
• Initial determination: the first custody determination about a particular child (§ 32-11-102(h)).
• Modification: a custody determination that changes, replaces, supersedes, or is otherwise made after an earlier determination about the same child, whether or not the same court makes it (§ 32-11-102(k)).
• State: a U.S. state, the District of Columbia, Puerto Rico, the U.S. Virgin Islands, or any U.S. territory or insular possession (§ 32-11-102(q)).

The Basic Framework

An Idaho court may make a first custody order only on the grounds listed in Idaho Code § 32-11-201(a), and those grounds are the only basis for an Idaho custody determination, apart from temporary emergency jurisdiction (§ 32-11-201(a)-(b)). The child’s home state generally comes first. Having a party or the child physically in Idaho, or having personal jurisdiction over a party, is neither necessary nor enough to make a custody determination (§ 32-11-201(c)).

Once an Idaho court properly makes a custody order, it generally keeps “exclusive, continuing jurisdiction” over that order until certain events happen (Idaho Code § 32-11-202(a)). An Idaho court may change another state’s order only in the limited situations set out in Idaho Code § 32-11-203. A court may also take temporary emergency jurisdiction to protect a child who is present in Idaho (Idaho Code § 32-11-204).

Rules That Apply in Every UCCJEA Case

• Priority: if a question about jurisdiction is raised, on request of a party it must be given priority on the court’s calendar and handled quickly (Idaho Code § 32-11-107).
• Notice and a chance to be heard: before a custody determination is made, notice and an opportunity to be heard must be given to all persons entitled to notice under Idaho law, any parent whose parental rights have not been terminated, and any person who has physical custody of the child (Idaho Code § 32-11-205(a)).
• Notice to people outside Idaho: notice may be given under Idaho law or the law of the state where service is made, must be reasonably calculated to give actual notice, and may be by publication if other means are not effective (Idaho Code § 32-11-108(a)).
• Information the court needs: each party’s first pleading, or an attached affidavit, must give information under oath, if reasonably ascertainable, about where the child has lived during the last five (5) years and about other related cases (Idaho Code § 32-11-209(a)). Each party has a continuing duty to tell the court about any case in any state that could affect the current one (§ 32-11-209(d)).
• Limited immunity: taking part in a custody case in Idaho, or being physically present to take part, does not by itself subject a party to personal jurisdiction in Idaho for another case or purpose (Idaho Code § 32-11-109(a)).
• Courts talking to each other: an Idaho court may communicate with a court in another state about the case (Idaho Code § 32-11-110(a)). Except for scheduling and similar matters, a record must be made and the parties must be told promptly and given access to it (§ 32-11-110(c)-(d)).
• Testimony from another state: a party may offer testimony of witnesses located in another state, and an Idaho court may allow testimony by telephone, audiovisual, or other electronic means (Idaho Code § 32-11-111(a)-(b)).
• Record keeping: Idaho courts must preserve the pleadings, orders, and other records of a custody case until the child turns eighteen (18) (Idaho Code § 32-11-112(d)).

Key Numbers at a Glance

Rule	Time period	Idaho Code
Time a child must live in a state for it to be the home state	At least 6 consecutive months immediately before the case starts (from birth, for a child under 6 months)	§ 32-11-102(g)
Idaho may still act as home state after the child leaves, if a parent or person acting as a parent stays in Idaho	Idaho was the home state within 6 months before the case starts	§ 32-11-201(a)(1)
Physical custody needed to be a “person acting as a parent”	Current physical custody, or 6 consecutive months within 1 year before the case starts	§ 32-11-102(m)
Child’s past addresses listed in the first pleading or affidavit	Last 5 years	§ 32-11-209(a)
Request a hearing to contest registration of an out-of-state order	Within 20 days after service of notice	§ 32-11-305(d)
Hearing on a petition for expedited enforcement	Next judicial day after service of the order, unless impossible	§ 32-11-308(c)
Court must preserve custody case records	Until the child turns 18	§ 32-11-112(d)

Topics in This Overview

• Home State Jurisdiction: how Idaho decides whether it can make the first custody order for a child, and the four grounds in order.
• Continuing Jurisdiction and Modification: when an Idaho court keeps control of its order, when that ends, and when Idaho may change another state’s order.
• Temporary Emergency Jurisdiction: when an Idaho court may act to protect a child present in Idaho, and how long those orders last.
• Declining Jurisdiction: inconvenient forum, unjustifiable conduct, and cases filed in two states at once.
• Registering and Enforcing Orders: registering an out-of-state custody order in Idaho, expedited enforcement, warrants, and fees.
• International and Tribal Cases: foreign-country orders, the Hague convention, and cases governed by the Indian child welfare act.

This overview covers which state’s court has the power to decide custody. For Idaho’s rules on custody itself, see the Idaho child custody overview.

How I Can Help

I help parents and caregivers sort out which state’s court can hear their custody case, whether the case is just starting, an existing order needs to change, or an out-of-state order needs to be registered or enforced in Idaho. I review where the child has lived, what orders already exist, and what other cases are pending, and explain how the Idaho Code applies. Request a consultation to discuss your situation.

This page provides general information about Idaho’s Uniform Child Custody Jurisdiction and Enforcement Act, based on the Idaho Code, and is not legal advice. Court rules (including the Idaho Child Support Guidelines), regulations, and case law also affect family law matters. Every situation is different; consult an attorney about yours. Reading this page does not create an attorney-client relationship.