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Protocol Additional to the Geneva Conventions of 12 August 1949, and relating to the Protection of Victims of Non-International Armed Conflicts (Protocol II), 8 June 1977.
Protection of medical units and transports
-- Protection of medical units and transports
1. Medical units and transports shall be respected and protected at all times and shall not be the object of attack.
2. The protection to which medical units and transports are entitled shall not cease unless they are used to commit hostile acts, outside their humanitarian function. Protection may, however, cease only after a warning has been given setting, whenever appropriate, a reasonable time-limit, and after such warning has remained unheeded.
Commentary of 1987