Соответствующая норма
Practice Relating to Rule 146. Reprisals against Protected Persons
Section C. Medical and religious personnel in the power of the adversary
According to the Report on the Practice of Jordan: “The prohibition of belligerent reprisals against protected persons and property is viewed as customary law … In practice, Jordan never resorted to attacks by way of reprisal.” 
Report on the Practice of Jordan, 1997, Chapter 2.9.