PURPOSE AND DESCRIPTION OF MEDICAL WARNING TAG The purpose of a Medical Warning Tag is to warn of significant medical conditions that NATO troops may be suffering from in a situation when NATO soldiers are unable to communicate and medical records are not immediately available. Members of NATO Forces who are affected by a condition that medical authorities consider significant@ but which is not readily apparent@ when the individual is unable to communicate@ shall wear the Medical Warning Tag. Chapter 1.3 presents examples of such conditions. This list is not mandatory and may be modified at national discretion.