Remarks 2: If either parent cannot accompany his/her child to apply for the travel document, such parent has to fill out the authorization form and provide a photocopy of a valid identification document which bears his/her signature. Remarks 3: If parents of the applicant are in the state of unmarried, separation, partition of property or divorce, or either parent is unable to sign the application form due to certain reason (e.g. missing), the other parent has to prove his/her entitlement to exercise parental right in order to lodge the application for underage children.