The Geneva Convention relative to the Protection of Civilian Persons in Time of War, commonly referred to as the Fourth Geneva Convention and abbreviated as GCIV, is one of the four treaties of the Geneva Conventions. It was adopted in August 1949. While the first three conventions dealt with combatants, the Fourth Geneva Convention was the first to deal with humanitarian protections for civilians in a war zone. There are currently 196 countries party to the 1949 Geneva Conventions, including this and the other three treaties.
In 1993, the United Nations Security Council adopted a report from the Secretary-General and a Commission of Experts which concluded that the Geneva Conventions had passed into the body of customary international law, thus making them binding on non-signatories to the Conventions whenever they engage in armed conflicts.
This sets out the overall parameters for GCIV:
Article 2 states that signatories are bound by the convention both in war, armed conflicts where war has not been declared, and in an occupation of another country's territory.
The scope of article 2 is broad:
In the commentary to the article Jean Pictet writes:
Article 3 states that even where there is not a conflict of international character, the parties must as a minimum adhere to minimal protections described as: non-combatants, members of armed forces who have laid down their arms, and combatants who are hors de combat (out of the fight) due to wounds, detention, or any other cause shall in all circumstances be treated humanely, with the following prohibitions: