Short answer: Read the operative custody order, assess the child’s immediate safety, preserve the facts, and use the appropriate California enforcement or emergency process. A parent who keeps a child beyond an authorized trip or misses a return exchange may have violated an order, but the right response depends on the wording of the order, the reason for the delay, the child’s location, and the urgency. Do not retaliate by withholding the child at the next exchange or by trying to recover the child through confrontation.

Start with safety and the exact order

If you believe the child is in immediate danger, call 911 or the appropriate emergency service. A missed return time, without more, is not necessarily an emergency. If the other parent will not disclose the child’s location, has taken the child somewhere prohibited, threatens harm, or appears likely to leave the state or country, tell an attorney and the appropriate authorities promptly. Explain the concrete facts rather than relying only on a label such as “kidnapping.”

Then obtain the current, signed order and read the provisions about legal custody, physical custody, travel, passports, notice, exchanges, and make-up time. Confirm whether a later stipulation, minute order, or judgment changed the schedule. A text message or informal agreement may explain what happened, but it does not necessarily replace a filed order.

Build a clear record

Create a chronology while events are fresh:

the order and every later written modification;
the scheduled departure, return, and exchange details;
travel confirmations, addresses, and information about the child’s location;
messages, call logs, and requests for a return plan;
witnesses, missed calls, school information, and any medical or safety facts; and
the financial and practical cost of missed travel or exchanges, if relevant.

Keep the original files and export messages in a way that preserves dates and context. Do not edit a screenshot, coach the child, threaten the other parent, or send repeated angry messages. Communications and recordings can raise separate privacy and admissibility questions; see Can texts or recordings be used against me in a custody case. For the broader evidence framework, see Custody evidence, safety and enforcement in California.

What remedies may be available?

California courts can enforce custody and parenting-time orders. Depending on the facts, a parent may ask for enforcement, make-up parenting time, clarification, modified exchange terms, fees or sanctions, or other relief through the current court procedure. A contempt request may be possible when a person willfully disobeyed a clear order and the required procedural and evidentiary elements can be proved. Contempt is not automatic merely because an exchange went badly.

The court’s focus remains the child’s health, safety, and welfare. Family Code section 3020 supplies that governing concern. Family Code section 3028 addresses enforcement of visitation orders, including remedies that can depend on the facts. Penal Code section 278.5 concerns certain custodial interference conduct, but a criminal statute should not be used as a substitute for a case-specific assessment.

When a return trip becomes a larger custody issue

A single delay may result from a flight cancellation, illness, or a misunderstanding. A pattern of missed returns, refusal to disclose location, unilateral relocation, interference with calls, or statements that the child will not be returned can present a different risk. Tell counsel about both helpful and unfavorable facts. The court will want to know what the order required, what notice was given, what explanation was offered, and what solution protects the child going forward.

If the child was taken across a border, identify the destination and any passport or travel restrictions immediately. Do not attempt a self-help recovery at a school, home, airport, or another parent’s workplace. A confrontation can create safety and criminal consequences and can complicate the custody record.

A practical response checklist

Confirm the child’s safety and location.
Read the current order and identify the precise missed term.
Request a calm, specific return or exchange plan in writing.
Preserve the order, messages, travel information, and timeline.
Contact counsel about an enforcement, emergency, or modification procedure.
Follow every part of the order that remains possible.
Calendar the next hearing, filing, service, and response deadline.

County filing logistics and emergency calendars can change. If the matter is in San Francisco, San Mateo, Santa Clara, Alameda, Contra Costa, Marin, Sonoma, or Napa County, confirm current instructions with that Superior Court rather than assuming another county’s process applies. A court clerk can provide procedural information, but not individualized legal advice.

Preparing an enforcement request

Organize the request around the order and the remedy, not the entire history of the relationship. Quote or attach the precise paragraph that required the return or exchange. State the scheduled time, what actually occurred, the notice given, the other parent’s explanation, and the relief needed now. If make-up time, a clarified travel protocol, a neutral exchange location, communication terms, or a safety provision would prevent a repeat, identify that specifically.

Separate facts you personally observed from what the child or another person reported. Label records by date and keep a short exhibit index. A long stream of hostile messages can obscure a strong point; a calm request for the child’s location and return plan may be more useful. Give the court the information needed to protect the child without asking the child to take sides.

If the order is unclear, ask about clarification or modification instead of assuming the ambiguity proves contempt. If the conduct is repeated, show the pattern with a few representative incidents and the corresponding order terms. Counsel can advise whether an RFO, emergency application, contempt proceeding, or another remedy fits the current facts.

Common questions

Should I keep the child at the next exchange?

Not simply to punish the other parent or “even the score.” Follow the order and obtain advice about any genuine safety exception. A later violation does not automatically authorize a new violation.

Will police enforce every custody order?

Do not assume so. Police response can depend on immediate safety, the clarity of the order, location, available records, and agency practice. A family court may still be the place to request durable relief.

Can I change the schedule after one missed return?

An informal adjustment may not change the court’s order. Use a written agreement only with advice about its legal effect, and seek a formal modification when a lasting change is needed.

Distinguish a delay from an intentional refusal

A flight cancellation, illness, lost transportation, or a genuine misunderstanding may call for a revised return plan rather than the same response as a parent who refuses to disclose the child’s location or announces that the child will never be returned. The distinction is fact-specific. Preserve the explanation, the notice given, and what each parent did to solve the problem. Do not omit inconvenient facts when asking for emergency relief; credibility and the child’s safety matter more than presenting a perfect narrative.

A travel term may require advance notice, itinerary information, consent, passport handling, or a return date. Read the whole judgment, including attachments and later minute orders. A text agreeing to a later flight may be important evidence, but it may not permanently amend a filed order. If the child is outside California or outside the country, tell counsel the destination, travel documents, and any known restrictions promptly. Do not attempt a self-help recovery.

Enforcement process in practical order

Confirm immediate safety and the child’s location; use emergency services when there is an immediate threat.
Identify the exact order paragraph and the scheduled return or exchange.
Send one calm, specific request for the child’s location and a return plan if doing so is permitted and safe.
Preserve the complete order, messages, itinerary, records of attempted calls, and witness information.
Ask counsel which current court process fits: enforcement, a request for order, emergency relief, clarification, modification, or a contempt procedure.
State the remedy needed now—return, make-up time, a travel protocol, a neutral exchange, communication terms, or protection—rather than only describing the other parent’s character.
Continue following the portions of the order that remain possible and calendar service, response, hearing, and expiration dates.

Family Code section 3028 addresses enforcement of visitation orders, while Penal Code section 278.5 concerns certain custodial-interference conduct. Neither section makes every missed exchange criminal or guarantees a particular family-court remedy. The order’s clarity, notice, intent, evidence, jurisdiction, and the child’s circumstances must be evaluated.

A useful evidence packet

Create a short index with the order paragraph, scheduled event, actual event, proof, and requested remedy. Include the travel itinerary, exchange location, messages in full context, call logs, school or medical information, and any proof of the child’s location. Separate what you personally saw from what a child or another person reported. Do not question the child repeatedly, coach an answer, edit a screenshot, or publish accusations. A focused chronology lets counsel and the court address the child’s immediate needs without turning the child into evidence.

What happens if my ex keeps the child after a trip or violates the custody order?