United States of America
Practice relating to Rule 66. Non-Hostile Contacts between the Parties to the Conflict
Section C. Definition of parlementaires
The US Field Manual (1956) provides that parlementaires are “agents employed by commanders to go in person within the enemy lines for the purpose of communicating or negotiating openly and directly with the enemy commander”.
The manual states: “A person is regarded as a parlementaire who has been authorized by one of the belligerents to enter into communication with the other and who advances bearing a white flag.”
Moreover, the manual states: “Parlementaires must be duly authorized in a written instrument signed by the commander of the forces.”