相关规则
Sierra Leone
Practice Relating to Rule 28. Medical Units
Sierra Leone’s Instructor Manual (2007) states:
[M]edical units are protected from attack … [but] medical personnel may lose their protection if they take part in hostilities.
However, their protection will not be lost if:
a. They are armed only with light individual weapons.
b. The medical unit is guarded by picket, sentries or an escort.
c. Small arms and equipment taken from patient are stored temporarily in the medical unit pending their return to combat unit.
d. The delivery to medical unit of wounded and sick personnel is in non-medical transport, such as ordinary, unmarked military vehicle or helicopters. 
Sierra Leone, The Law of Armed Conflict. Instructor Manual for the Republic of Sierra Leone Armed Forces (RSLAF), Armed Forces Education Centre, September 2007, p. 59.