Geneva Convention (IV): Relative to the Protection of Civilian Persons, Part IV, Section 1
Subject to the measures which the Detaining Powers may consider essential to ensure their security or to meet any other reasonable need, the representatives of religious organizations, relief societies, or any other organizations assisting the protected persons, shall receive from these Powers, for themselves or their duly accredited agents, all facilities for visiting the protected persons, for distributing relief supplies and material from any source, intended for educational, recreational or religious purposes , or for assisting them in organizing their leisure time within the places of internment. Such societies or organizations may be constituted in the territory of the Detaining Power, or in any other country, or they may have an international character.
The Detaining Power may limit the number of societies and organizations whose delegates are allowed to carry out their activities in its territory and under its supervision, on condition, however, that such limitation shall not hinder the supply of effective and adequate relief to all protected persons.
The special position of the International Committee of the Red Cross in this field shall be recognized and respected at all times.
Representatives or delegates of the Protecting Powers shall have permission to go to all places where protected persons are, particularly to places of internment, detention and work.
They shall have access to all premises occupied by protected persons and shall be able to interview the latter without witnesses, personally or through an interpreter.
Such visits may not be prohibited except for reasons of imperative military necessity, and then only as an exceptional and temporary measure Their duration and frequency shall not be restricted.
Such representatives and delegates shall have full liberty to select the places they wish to visit. The Detaining or Occupying Power, the Protecting Power and when occasion arises the Power of origin of the persons to be visited, may agree that compatriots of the internees shall be permitted to participate in the visits.
The delegates of the International Committee of the Red Cross shall also enjoy the above prerogatives. The appointment of such delegates shall be submitted to the approval of the Power governing the territories where they will carry out their duties.
The High Contracting Parties undertake, in time of peace as in time of war, to disseminate the text of the present Convention as widely as possible in their respective countries, and, in particular, to include the study thereof in their programmes of military and, if possible, civil instruction, so that the principles thereof may become known to the entire population.
Any civilian, military, police or other authorities, who in time of war assume responsibilities in respect of protected persons, must possess the text of the Convention and be specially instructed as to its provisions.
The High Contracting Parties shall communicate to one another through the Swiss Federal Council and, during hostilities, through the Protecting Powers, the official translations of the present Convention, as well as the laws and regulations which they may adopt to ensure the application thereof.
The High Contracting Parties undertake to enact any legislation necessary to provide effective penal sanctions for persons committing, or ordering to be committed, any of the grave breaches of the present Convention defined in the following Article.
Each High Contracting Party shall be under the obligation to search for persons alleged to have committed, or to have ordered to be committed, such grave breaches, and shall bring such persons, regardless of their nationality, before its own courts. It may also, if it prefers, and in accordance with the provisions of its own legislation, hand such persons over for trial to another
High Contracting Party concerned, provided such High Contracting Party has made out a prima facie case.
Each High Contracting Party shall take measures necessary for the suppression of all acts contrary to the provisions of the present Convention other than the grave breaches defined in the following Article.
In all circumstances, the accused persons shall benefit by safeguards of proper trial and defence, which shall not be less favourable than those provided by Article 105 and those following of the Geneva Convention relative to the Treatment of Prisoners of War of August 12, 1949.
Grave breaches to which the preceding Article relates shall be those involving any of the following acts, if committed against persons or property protected by the present Convention: wilful killing, torture or inhuman treatment, including biological experiments, wilfully causing great suffering or serious injury to body or health, unlawful deportation or transfer or unlawful confinement of a protected person, compelling a protected person to serve in the forces of a hostile Power, or wilfully depriving a protected person of the rights of fair and regular trial prescribed in the present Convention, taking of hostages and extensive destruction and appropriation of property, not justified by military necessity and carried out unlawfully and wantonly.
No High Contracting Party shall be allowed to absolve itself or any other High Contracting Party of any liability incurred by itself or by another High Contracting Party in respect of breaches referred to in the preceding Article.
At the request of a Party to the conflict, an enquiry shall be instituted, in a manner to be decided between the interested Parties, concerning any alleged violation of the Convention.
If agreement has not been reached concerning the procedure for the enquiry, the Parties should agree on the choice of an umpire who will decide upon the procedure to be followed.
Once the violation has been established, the Parties to the conflict shall put an end to it and shall repress it with the least possible delay.