If children are not travelling with both their parents, (ie: if they are travelling alone, or with another adult), this form can be used to give permission. A letter from the person with parental responsibility for the child is usually enough to show you've got permission to take them abroad.If travelling with non-parents, a notarized letter from the minor's guardians would be required. A minor travel consent form (if your child is traveling internationally with only one parent, or with another adult). Download Minor Travel Consent Form. Here is a sample letter of consent you can customize and have notarized if needed for your child's next international trip. It is very simple to do. To travel with my daughter,. Parents Should Complete One Of The Forms Listed Below For Each Minor Child Under The Age Of 18. We have traveled with our minor nephew a few times and we always needed a letter of consent since we are not his parents.