Why families use the letter
Border officers and airline staff want to be sure a child is not being taken without permission. When a minor travels with one parent, a grandparent, a teacher, a coach or alone, a letter from the absent parent or parents helps show that the trip is approved.
Some countries require one in specific situations. Check the destination's official travel pages and your airline's policy.
Think about who will read the letter. It may be a border officer, an airline agent or a hotel clerk, and none of them knows your family. Plain, complete facts help them.
Information about the child
List the child's full legal name, date of birth, place of birth and passport number with country of issue. Use the same spelling as the passport. If the child has dual citizenship, list both passports if both will be used.
A photocopy of the passport's information page can be attached.
Add the child's address and, if possible, a recent photo. A photo is not a legal requirement, but it can help an officer match the child to the papers.
Information about the trip
State the destination, travel dates, airline or transport method, and the address where the child will stay. If dates may change, add a reasonable window. A letter that is too vague can raise more questions than it answers.
Name the adult traveling with the child and describe the relationship.
If the child travels with a school group, name the group leader and attach the program itinerary. One letter can cover the whole trip.
Information about the parents
Include each consenting parent's full name, address, phone number and email. Add a statement that the parent gives permission for the child to travel as described. Include the parent's contact number for questions, and make sure that phone is answered during the trip.
Attach a copy of the parent's photo ID if the destination requests it.
Signing and notarization
Each consenting parent signs the letter. Many families have the signature notarized, because a notary confirms the signer's identity and willingness. Notarization is common for international travel, though not always required. The notary will need the parent present with ID.
Do not sign ahead of time. For a jurat or acknowledgment, the signer must appear before the notary.
Carrying the documents
Carry the original letter, copies of both parents' IDs if available, the child's birth certificate and any custody papers. Keep digital copies on a phone too. The letter does not promise entry or boarding, but it answers common questions quickly.
Ask the airline and destination for current requirements before you leave.
Check the airline's own policy for unaccompanied minors. Some airlines have their own forms and age limits that apply no matter what your letter says.
Common questions
Does the letter expire?
Letters are usually written for a specific trip. Some agencies like recent dates, so a new letter for each trip is safer.
Is a notarized letter legally required?
It depends on the destination and carrier. Many families get one to avoid problems even when it is only recommended.
This guide is general information, not legal advice. Fees and procedures change; check with the office involved or an attorney for your situation.