Utah now treats a child’s fifth birthday as a built-in reason to reopen custody or parent-time—if the order was entered on or after May 6, 2026 and the order stays silent about age five. That single sentence changes how we draft decrees and how we calendar modifications.
Utah Code 81-9-208 still requires a change in circumstances before a court modifies custody or parent-time. Subsection (3) now supplies one of those changes by statute:
– For a custody order entered on or after May 6, 2026, a minor child turning five years old constitutes a substantial and material change in circumstances, unless the order already addresses custody when the child turns five.
– For a parent-time order entered on or after May 6, 2026, a minor child turning five years old **constitutes a change in circumstances**, unless the order already addresses parent-time when the child turns five.
The legislature did not make the fifth birthday a reason to modify older decrees. The rule applies only to orders entered on or after the effective date. If your decree predates May 6, 2026, you still prove a traditional substantial and material change.
Why age five matters in the first place
Utah maintains two different minimum parent-time frameworks.
Section 81-9-304 governs children younger than five. Those schedules use short visits, weekday evenings, and limited overnights that expand as the child ages from infancy through age four. Section 81-9-302, 303, and 305 (and the related holiday and extended-parent-time provisions) govern children five and older. Those schedules assume school-age logistics: alternating weekends, weekly overnights, and a holiday calendar built around the school year.
This new law recognizes that parents sometimes separate and make plans when their child is very young without considering how things will change when their child turns five and starts attending school. A custody decree that works fine for a three-year-old may not work for a kindergartner (much less middle or high-school kid). The new statute lets a parent ask the court to reconsider custody and parent-time when a child turns five without first inventing a separate “substantial change” story. The birthday itself supplies the change—but only if the order is silent. If the decree does specifically contemplate what to do about custody and parent-time when a child turns five, then this new statute does not apply.
The statute does not automatically switch the schedule. It opens the courthouse door. The court still decides what arrangement serves the child’s best interest under 81-9-204 and § 81-9-206.
The drafting trap that will generate the next wave of petitions
If you enter a decree after May 6, 2026 and you leave age five unaddressed, you hand either parent a statutory ticket to file when the child turns five. We see three common approaches in this office:
1. Lock it in. The decree states the under-five schedule now and the five-and-older schedule that will apply beginning on the child’s fifth birthday. No later petition is required unless something else changes.
2. Reserve it. The decree states that either parent may petition when the child turns five and that the fifth birthday itself satisfies the change-in-circumstances element. The parties still litigate best interest.
3. Stay silent. The decree says nothing. Section 81-9-208(3) then supplies the change-in-circumstances finding for a later petition.
Silence is the default. Silence is also the option that produces surprise filings, rushed financial declarations, and commissioner hearings that could have been avoided with two extra paragraphs in the decree. If you want stability through kindergarten, write the age-five plan into the order. If you want flexibility, say so expressly and identify the evidence the court should consider later (school schedule, work hours, distance between homes, the child’s adjustment).
What the fifth-birthday petition still requires
The statute gives you the change-in-circumstances element. It does not give you the rest of the case. A parent who files still must:
– File a verified petition that alleges admissible evidence of the change (the birthday plus the current order’s silence).
– Address best interest. The court still weighs the statutory factors. The 2026 amendments to the statute also require the court to consider a host of additional factors, including child safety and evidence of coercive control.
– Update the financial declaration if support or child-care costs travel with the schedule. Beginning July 1, 2026, new and modified child-support orders must address reasonable ongoing child-care expenses.
Orders entered before May 6, 2026
Parents with older decrees sometimes assume the new statute applies retroactively. It does not. For those orders, a fifth birthday may still matter as a practical change—kindergarten start dates, new after-school care, a shift from nap-based exchanges to school-based exchanges—but you must prove a substantial and material change the old-fashioned way. While the child’s age may be relevant to determining best interests, merely getting older in itself is not a substantial change for older decrees.
Do not file a petition that cites only Utah Code 81-9-208(3) on a 2024 or early-2026 decree. The court will ask when the order was entered.
A 60-second checklist for counsel and parents
– Confirm the date the custody or parent-time order was entered and if any of the children were under five-years old when it was entered.
– If the order is dated on or after May 6, 2026, read it for any sentence that addresses custody or parent-time “upon the child turning five.”
– If the order is silent, treat the fifth birthday as a statutory change in circumstances and decide whether to file, negotiate a stipulated addendum, or wait.
– If you are negotiating a new decree now, decide whether to lock the school-age schedule, reserve the issue, or accept later litigation.
Bottom line
Utah now writes a fifth birthday into the modification statute for new orders. The rule rewards lawyers who draft through kindergarten and punishes form decrees that stop at “reasonable parent-time.” Get the order date right. Get the silence question right. Then decide whether you want the fifth birthday to be a planned transition or an opening bid.
This article provides general information about Utah Code 81-9-208 and related parent-time statutes. It is not legal advice. Modification and parent-time disputes turn on the date of the existing order, the text of that order, and the facts of the child’s life. If you have questions about a Utah custody or parent-time order, contact the attorneys at the Law Office of Wiser & Wiser at 855-254-2600 or through our Contact Us page.
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