Related Rule
Madagascar
Practice relating to Rule 66. Non-Hostile Contacts between the Parties to the Conflict
Section B. Use of the white flag of truce
Madagascar’s Military Manual (1994) states that the white flag is a means of contacting the enemy. 
Madagascar, Le Droit des Conflits Armés, Ministère des Forces Armées, August 1994, Fiche No. 9-SO, § C.