Related Rule
Practice Relating to Rule 146. Reprisals against Protected Persons
Section D. Civilians in the power of the adversary
Ecuador’s Naval Manual (1989) provides: “Reprisals may be taken against enemy armed forces, [and] enemy civilians other than those in occupied territory.” It adds: “Reprisals are forbidden to be taken against: … 3. Civilians in occupied territory”. The manual also provides: “Interned civilians … may not be subjected to collective punishment or acts of reprisal.” 
Ecuador, Aspectos Importantes del Derecho Internacional Marítimo que Deben Tener Presente los Comandantes de los Buques, Academia de Guerra Naval, 1989, §§ 6.2.3 and 11.9.