Florida Child (Minor) Medical Consent Form. Use our Child Medical Consent form to let someone make medical decisions for your child in your absence.First, any physician who provides any type of medical treatment to a minor must first obtain the written consent of the minor's parents. How do I fill this out? To fill out this form, first identify your legal relationship to the minor. 3) The child's age is: . 4) I have the legal authority to give consent for this child's Tattoo. This consent form should be taken with the child to the hospital or physician's office when the child is taken for treatment.