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Article 27— Medical aircraft in areas controlled by an adverse Party

1 The medical aircraft of a Party to the conflict shall continue to be protected while flying over land or sea areas physically controlled by an adverse Party, provided that prior agreement to such flights has been obtained from the competent authority of that adverse Party.

2 A medical aircraft which flies over an area physically controlled by an adverse Party without, or in deviation from the terms of, an agreement provided for in paragraph 1, either through navigational error or because of an emergency affecting the safety of the flight, shall make every effort to identify itself and to inform the adverse Party of the circumstances. As soon as such medical aircraft has been recognised by the adverse Party, that Party shall make all reasonable efforts to give the order to land or to alight on water, referred to in Article 30, paragraph 1, or to take other measures to safeguard its own interests, and, in either case, to allow the aircraft time for compliance, before resorting to an attack against the aircraft.

Article 28— Restrictions on operations of medical aircraft

1 The Parties to the conflict are prohibited from using their medical aircraft to attempt to acquire any military advantage over an adverse Party. The presence of medical aircraft shall not be used in an attempt to render military objectives immune from attack.

2 Medical aircraft shall not be used to collect or transmit intelligence data and shall not carry any equipment intended for such purposes. They are prohibited from carrying any persons or cargo not included within the definition in Article 8, sub-paragraph (f). The carrying on board of the personal effects of the occupants or of equipment intended solely to facilitate navigation, communication or identification shall not be considered as prohibited.

3 Medical aircraft shall not carry any armament except small-arms and ammunition taken from the wounded, sick and shipwrecked on board and not yet handed to the proper service, and such light individual weapons as may be necessary to enable the medical personnel on board to defend themselves and the wounded, sick and shipwrecked in their charge.

4 While carrying out the flights referred to in Articles 26 and 27, medical aircraft shall not, except by prior agreement with the adverse Party, be used to search for the wounded, sick and shipwrecked.

Article 29— Notifications and agreements concerning medical aircraft

1 Notifications under Article 25, or requests for prior agreement under Articles 26, 27, 28 (paragraph 4), or 31 shall state the proposed number of medical aircraft, their flight plans and means of identification, and shall be understood to mean that every flight will be carried out in compliance with Article 28.

2 A Party which receives a notification given under Article 25 shall at once acknowledge receipt of such notification.

3 A Party which receives a request for prior agreement under Articles 26, 27, 28 (paragraph 4), or 31 shall, as rapidly as possible, notify the requesting Party:

(a) that the request is agreed to;

(b) that the request is denied; or

(c) of reasonable alternative proposals to the request. It may also propose a prohibition or restriction of other flights in the area during the time involved. If the Party which submitted the request accepts the alternative proposals, it shall notify the other Party of such acceptance.

4 The Parties shall take the necessary measures to ensure that notifications and agreements can be made rapidly.

5 The Parties shall also take the necessary measures to disseminate rapidly the substance of any such notifications and agreements to the military units concerned and shall instruct those units regarding the means of identification that will be used by the medical aircraft in question.

Article 30— Landing and inspection of medical aircraft

1 Medical aircraft flying over areas which are physically controlled by an adverse Party, or over areas the physical control of which is not clearly established, may be ordered to land or to alight on water, as appropriate, to permit inspection in accordance with the following paragraphs. Medical aircraft shall obey any such order.

2 If such an aircraft lands or alights on water, whether ordered to do so or for other reasons, it may be subjected to inspection solely to determine the matters referred to in paragraphs 3 and 4. Any such inspection shall be commenced without delay and shall be conducted expeditiously. The inspecting Party shall not require the wounded and sick to be removed from the aircraft unless their removal is essential for the inspection. That Party shall in any event ensure that the condition of the wounded and sick is not adversely affected by the inspection or by the removal.

3 If the inspection discloses that the aircraft:

(a) is a medical aircraft within the meaning of Article 8, sub-paragraph (j),

(b) is not in violation of the conditions prescribed in Article 28, and

(c) has not flown without or in breach of a prior agreement where such agreement is required,

the aircraft and those of its occupants who belong to the adverse Party or to a neutral or other State not a Party to the conflict shall be authorised to continue the flight without delay.

4 If the inspection discloses that the aircraft:

(a) is not a medical aircraft within the meaning of Article 8, sub-paragraph (j),

(b) is in violation of the conditions prescribed in Article 28, or

(c) has flown without or in breach of a prior agreement where such agreement is required,

the aircraft may be seized. Its occupants shall be treated in conformity with the relevant provisions of the Conventions and of this Protocol. Any aircraft seized which had been assigned as a permanent medical aircraft may be used thereafter only as a medical aircraft.

Article 31— Neutral or other States not Parties to the conflict

1 Except by prior agreement, medical aircraft shall not fly over or land in the territory of a neutral or other State not a Party to the conflict. However, with such an agreement, they shall be respected throughout their flight and also for the duration of any calls in the territory. Nevertheless they shall obey any summons to land or to alight on water, as appropriate.

2 Should a medical aircraft, in the absence of an agreement or in deviation from the terms of an agreement, fly over the territory of a neutral or other State not a Party to the conflict, either through navigational error or because of an emergency affecting the safety of the flight, it shall make every effort to give notice of the flight and to identify itself. As soon as such medical aircraft is recognised, that State shall make all reasonable efforts to give the order to land or to alight on water referred to in Article 30, paragraph 1, or to take other measures to safeguard its own interests, and, in either case, to allow the aircraft time for compliance, before resorting to an attack against the aircraft.

3 If a medical aircraft, either by agreement or in the circumstances mentioned in paragraph 2, lands or alights on water in the territory of a neutral or other State not Party to the conflict, whether ordered to do so or for other reasons, the aircraft shall be subject to inspection for the purposes of determining whether it is in fact a medical aircraft. The inspection shall be commenced without delay and shall be conducted expeditiously. The inspecting Party shall not require the wounded and sick of the Party operating the aircraft to be removed from it unless their removal is essential for the inspection. The inspecting Party shall in any event ensure that the condition of the wounded and sick is not adversely affected by the inspection or the removal. If the inspection discloses that the aircraft is in fact a medical aircraft, the aircraft with its occupants, other than those who must be detained in accordance with the rules of international law applicable in armed conflict, shall be allowed to resume its flight, and reasonable facilities shall be given for the continuation of the flight. If the inspection discloses that the aircraft is not a medical aircraft, it shall be seized and the occupants treated in accordance with paragraph 4.

4 The wounded, sick and shipwrecked disembarked, otherwise than temporarily, from a medical aircraft with the consent of the local authorities in the territory of a neutral or other State not a Party to the conflict shall, unless agreed otherwise between that State and the Parties to the conflict, be detained by that State where so required by the rules of international law applicable in armed conflict, in such a manner that they cannot again take part in the hostilities. The cost of hospital treatment and internment shall be borne by the State to which those persons belong.

5 Neutral or other States not Parties to the conflict shall apply any conditions and restrictions on the passage of medical aircraft over, or on the landing of medical aircraft in, their territory equally to all Parties to the conflict.

SECTION III MISSING AND DEAD PERSONS
Article 32— General principle

In the implementation of this Section, the activities of the High Contracting Parties, of the Parties to the conflict and of the international humanitarian organisations mentioned in the Conventions and in this Protocol shall be prompted mainly by the right of families to know the fate of their relatives.

Article 33— Missing persons

1 As soon as circumstances permit, and at the latest from the end of active hostilities, each Party to the conflict shall search for the persons who have been reported missing by an adverse Party. Such adverse Party shall transmit all relevant information concerning such persons in order to facilitate such searches.

2 In order to facilitate the gathering of information pursuant to the preceding paragraph, each Party to the conflict shall, with respect to persons who would not receive more favourable consideration under the Conventions and this Protocol:

(a) record the information specified in Article 138 of the Fourth Convention in respect of such persons who have been detained, imprisoned or otherwise held in captivity for more than two weeks as a result of hostilities or occupation, or who have died during any period of detention;

(b) to the fullest extent possible, facilitate and, if need be, carry out the search for and the recording of information concerning such persons if they have died in other circumstances as a result of hostilities or occupation.

3 Information concerning persons reported missing pursuant to paragraph 1 and requests for such information shall be transmitted either directly or through the Protecting Power or the Central Tracing Agency of the International Committee of the Red Cross or national Red Cross (Red Crescent, Red Lion and Sun) Societies. Where the information is not transmitted through the International Committee of the Red Cross and its Central Tracing Agency, each Party to the conflict shall ensure that such information is also supplied to the Central Tracing Agency.

4 The Parties to the conflict shall endeavour to agree on arrangements for teams to search for, identify and recover the dead from battlefield areas, including arrangements, if appropriate, for such teams to be accompanied by personnel of the adverse Party while carrying out these missions in areas controlled by the adverse Party. Personnel of such teams shall be respected and protected while exclusively carrying out these duties.

Article 34— Remains of deceased

1 The remains of persons who have died for reasons related to occupation or in detention resulting from occupation or hostilities and those of persons not nationals of the country in which they have died as a result of hostilities shall be respected, and the gravesites of all such persons shall be respected, maintained and marked as provided for in Article 130 of the Fourth Convention, where their remains or gravesites would not receive more favourable consideration under the Conventions and this Protocol.

2 As soon as circumstances and the relations between the adverse Parties permit, the High Contracting Parties in whose territories graves and, as the case may be, other locations of the remains of persons who have died as a result of hostilities or during occupation or in detention are situated, shall conclude agreements in order:

(a) to facilitate access to the gravesites by relatives of the deceased and by representatives of official graves registration services and to regulate the practical arrangements for such access;

(b) to protect and maintain such gravesites permanently;

(c) to facilitate the return of the remains of the deceased and of personal effects to the home country upon its request or, unless that country objects, upon the request of the next of kin.

3 In the absence of the agreements provided for in paragraph 2(b) or (c) and if the home country of such deceased is not willing to arrange at its expense for the maintenance of such gravesites, the High Contracting Party in whose territory the gravesites are situated may offer to facilitate the return of the remains of the deceased to the home country. Where such an offer has not been accepted the High Contracting Party may, after the expiry of five years from the date of the offer and upon due notice to the home country, adopt the arrangements laid down in its own laws relating to cemeteries and graves.

4 A High Contracting Party in whose territory the gravesites referred to in this Article are situated shall be permitted to exhume the remains only:

(a) in accordance with paragraphs 2(c) and 3, or

(b) where exhumation is a matter of overriding public necessity, including cases of medical and investigative necessity, in which case the High Contracting Party shall at all times respect the remains, and shall give notice to the home country of its intention to exhume the remains together with details of the intended place of reinterment.

PART III Methods and Means of Warfare Combatant and Prisoner-of-War Status

SECTION I— METHODS AND MEANS OF WARFARE
Article 35— Basic rules

1 In any armed conflict, the right of the Parties to the conflict to choose methods or means of warfare is not unlimited.

2 It is prohibited to employ weapons, projectiles and material and methods of warfare of a nature to cause superfluous injury or unnecessary suffering.

3 It is prohibited to employ methods or means of warfare which are intended, or may be expected, to cause widespread, long-term and severe damage to the natural environment.

Article 36— New weapons

In the study, development, acquisition or adoption of a new weapon, means or method of warfare, a High Contracting Party is under an obligation to determine whether its employment would, in some or all circumstances, be prohibited by this Protocol or by any other rule of international law applicable to the High Contracting Party.

Article 37— Prohibition of perfidy

1 It is prohibited to kill, injure or capture an adversary by resort to perfidy. Acts inviting the confidence of an adversary to lead him to believe that he is entitled to, or is obliged to accord, protection under the rules of international law applicable in armed conflict, with intent to betray that confidence, shall constitute perfidy. The following acts are examples of perfidy:

(a) the feigning of an intent to negotiate under a flag of truce or of a surrender;

(b) the feigning of an incapacitation by wounds or sickness;

(c) the feigning of civilian, non-combatant status; and

(d) the feigning of protected status by the use of signs, emblems or uniforms of the United Nations or of neutral or other States not Parties to the conflict.

2 Ruses of war are not prohibited. Such ruses are acts which are intended to mislead an adversary or to induce him to act recklessly but which infringe no rule of international law applicable in armed conflict and which are not perfidious because they do not invite the confidence of an adversary with respect to protection under that law. The following are examples of such ruses: the use of camouflage, decoys, mock operations and misinformation.

Article 38— Recognised emblems

1 It is prohibited to make improper use of the distinctive emblem of the red cross, red crescent or red lion and sun or of other emblems, signs or signals provided for by the Conventions or by this Protocol. It is also prohibited to misuse deliberately in an armed conflict other internationally recognised protective emblems, signs or signals, including the flag of truce, and the protective emblem of cultural property.

2 It is prohibited to make use of the distinctive emblem of the United Nations, except as authorised by that Organisation.

Article 39— Emblems of nationality

1 It is prohibited to make use in an armed conflict of the flags or military emblems, insignia or uniforms of neutral or other States not Parties to the conflict.

2 It is prohibited to make use of the flags or military emblems, insignia or uniforms of adverse Parties while engaging in attacks or in order to shield, favour, protect or impede military operations.

3 Nothing in this Article or in Article 37, paragraph 1(d), shall affect the existing generally recognised rules of international law applicable to espionage or to the use of flags in the conduct of armed conflict at sea.

Article 40— Quarter

It is prohibited to order that there shall be no survivors, to threaten an adversary therewith or to conduct hostilities on this basis.

Article 41— Safeguard of an enemy hors de combat

1 A person who is recognised or who, in the circumstances, should be recognised to be hors de combat shall not be made the object of attack.

2 A person is hors de combat if:

(a) he is in the power of an adverse Party;

(b) he clearly expresses an intention to surrender; or

(c) he has been rendered unconscious or is otherwise incapacitated by wounds or sickness, and therefore is incapable of defending himself;

provided that in any of these cases he abstains from any hostile act and does not attempt to escape.

3 When persons entitled to protection as prisoners of war have fallen into the power of an adverse Party under unusual conditions of combat which prevent their evacuation as provided for in Part III, Section I, of the Third Convention, they shall be released and all feasible precautions shall be taken to ensure their safety.

Article 42— Occupants of aircraft

1 No person parachuting from an aircraft in distress shall be made the object of attack during his descent.

2 Upon reaching the ground in territory controlled by an adverse Party, a person who has parachuted from an aircraft in distress shall be given an opportunity to surrender before being made the object of attack, unless it is apparent that he is engaging in a hostile act.

3 Airborne troops are not protected by this Article.

SECTION II COMBATANT AND PRISONER-OF-WAR STATUS
Article 43— Armed forces

1 The armed forces of a Party to a conflict consist of all organised armed forces, groups and units which are under a command responsible to that Party for the conduct of its subordinates, even if that Party is represented by a government or an authority not recognised by an adverse Party. Such armed forces shall be subject to an internal disciplinary system which, inter alia, shall enforce compliance with the rules of international law applicable in armed conflict.

2 Members of the armed forces of a Party to a conflict (other than medical personnel and chaplains covered by Article 33 of the Third Convention) are combatants, that is to say, they have the right to participate directly in hostilities.

3 Whenever a Party to a conflict incorporates a paramilitary or armed law enforcement agency into its armed forces it shall so notify the other Parties to the conflict.

Article 44— Combatants and prisoners of war

1 Any combatant, as defined in Article 43, who falls into the power of an adverse Party shall be a prisoner of war.

2 While all combatants are obliged to comply with the rules of international law applicable in armed conflict, violations of these rules shall not deprive a combatant of his right to be a combatant or, if he falls into the power of an adverse Party, of his right to be a prisoner of war, except as provided in paragraphs 3 and 4.

3 In order to promote the protection of the civilian population from the effects of hostilities, combatants are obliged to distinguish themselves from the civilian population while they are engaged in an attack or in a military operation preparatory to an attack. Recognising, however, that there are situations in armed conflicts where, owing to the nature of the hostilities an armed combatant cannot so distinguish himself, he shall retain his status as a combatant, provided that, in such situations, he carries his arms openly:

(a) during each military engagement, and

(b) during such time as he is visible to the adversary while he is engaged in a military deployment preceding the launching of an attack in which he is to participate.

Acts which comply with the requirements of this paragraph shall not be considered as perfidious within the meaning of Article 37, paragraph 1(c).

4 A combatant who falls into the power of an adverse Party while failing to meet the requirements set forth in the second sentence of paragraph 3 shall forfeit his right to be a prisoner of war, but he shall, nevertheless, be given protections equivalent in all respects to those accorded to prisoners of war by the Third Convention and by this Protocol. This protection includes protections equivalent to those accorded to prisoners of war by the Third Convention in the case where such a person is tried and punished for any offences he has committed.

5 Any combatant who falls into the power of an adverse Party while not engaged in an attack or in a military operation preparatory to an attack shall not forfeit his rights to be a combatant and a prisoner of war by virtue of his prior activities.

6 This Article is without prejudice to the right of any person to be a prisoner of war pursuant to Article 4 of the Third Convention.

7 This Article is not intended to change the generally accepted practice of States with respect to the wearing of the uniform by combatants assigned to the regular, uniformed armed units of a Party to the conflict.

8 In addition to the categories of persons mentioned in Article 13 of the First and Second Conventions, all members of the armed forces of a Party to the conflict, as defined in Article 43 of this Protocol, shall be entitled to protection under those Conventions if they are wounded or sick or, in the case of the Second Convention, shipwrecked at sea or in other waters.

Article 45— Protection of persons who have taken part in hostilities

1 A person who takes part in hostilities and falls into the power of an adverse Party shall be presumed to be a prisoner of war, and therefore shall be protected by the Third Convention, if he claims the status of prisoner of war, or if he appears to be entitled to such status, or if the Party on which he depends claims such status on his behalf by notification to the detaining Power or to the Protecting Power. Should any doubt arise as to whether any such person is entitled to the status of prisoner of war, he shall continue to have such status and, therefore, to be protected by the Third Convention and this Protocol until such time as his status has been determined by a competent tribunal.

2 If a person who has fallen into the power of an adverse Party is not held as a prisoner of war and is to be tried by that Party for an offence arising out of the hostilities, he shall have the right to assert his entitlement to prisoner-of-war status before a judicial tribunal and to have that question adjudicated. Whenever possible under the applicable procedure, this adjudication shall occur before the trial for the offence. The representatives of the Protecting Power shall be entitled to attend the proceedings in which that question is adjudicated, unless, exceptionally, the proceedings are held in camera in the interest of State security. In such a case the detaining Power shall advise the Protecting Power accordingly.

3 Any person who has taken part in hostilities, who is not entitled to prisoner-of-war status and who does not benefit from more favourable treatment in accordance with the Fourth Convention shall have the right at all times to the protection of Article 75 of this Protocol. In occupied territory, any such person, unless he is held as a spy, shall also be entitled, notwithstanding Article 5 of the Fourth Convention, to his rights of communication under that Convention.

Article 46— Spies

1 Notwithstanding any other provision of the Conventions or of this Protocol, any member of the armed forces of a Party to the conflict who falls into the power of an adverse Party while engaging in espionage shall not have the right to the status of prisoner of war and may be treated as a spy.

2 A member of the armed forces of a Party to the conflict who, on behalf of that Party and in territory controlled by an adverse Party, gathers or attempts to gather information shall not be considered as engaging in espionage if, while so acting, he is in the uniform of his armed forces.

3 A member of the armed forces of a Party to the conflict who is a resident of territory occupied by an adverse Party and who, on behalf of the Party on which he depends, gathers or attempts to gather information of military value within that territory shall not be considered as engaging in espionage unless he does so through an act of false pretences or deliberately in a clandestine manner. Moreover, such a resident shall not lose his right to the status of prisoner of war and may not be treated as a spy unless he is captured while engaging in espionage.

4 A member of the armed forces of a Party to the conflict who is not a resident of territory occupied by an adverse Party and who has engaged in espionage in that territory shall not lose his right to the status of prisoner of war and may not be treated as a spy unless he is captured before he has rejoined the armed forces to which he belongs.

Article 47— Mercenaries

1 A mercenary shall not have the right to be a combatant or a prisoner of war.

2 A mercenary is any person who:

(a) is specially recruited locally or abroad in order to fight in an armed conflict;

(b) does, in fact, take a direct part in the hostilities;

(c) is motivated to take part in the hostilities essentially by the desire for private gain and, in fact, is promised, by or on behalf of a Party to the conflict, material compensation substantially in excess of that promised or paid to combatants of similar ranks and functions in the armed forces of that Party;

(d) is neither a national of a Party to the conflict nor a resident of territory controlled by a Party to the conflict;

(e) is not a member of the armed forces of a Party to the conflict; and

(f) has not been sent by a State which is not a Party to the conflict on official duty as a member of its armed forces.

PART IV Civilian Population

SECTION I— GENERAL PROTECTION AGAINST EFFECTS OF HOSTILITIES
CHAPTER I— BASIC RULE AND FIELD OF APPLICATION
Article 48— Basic rule

In order to ensure respect for and protection of the civilian population and civilian objects, the Parties to the conflict shall at all times distinguish between the civilian population and combatants and between civilian objects and military objectives and accordingly shall direct their operations only against military objectives.

Article 49— Definition of attacks and scope of application

1 “Attacks” means acts of violence against the adversary, whether in offence or in defence.

2 The provisions of this Protocol with respect to attacks apply to all attacks in whatever territory conducted, including the national territory belonging to a Party to the conflict but under the control of an adverse Party.

3 The provisions of this Section apply to any land, air or sea warfare which may affect the civilian population, individual civilians or civilian objects on land. They further apply to all attacks from the sea or from the air against objectives on land but do not otherwise affect the rules of international law applicable in armed conflict at sea or in the air.

4 The provisions of this Section are additional to the rules concerning humanitarian protection contained in the Fourth Convention, particularly in Part II thereof, and in other international agreements binding upon the High Contracting Parties, as well as to other rules of international law relating to the protection of civilians and civilian objects on land, at sea or in the air against the effects of hostilities.

CHAPTER II— CIVILIANS AND CIVILIAN POPULATION
Article 50— Definition of civilians and civilian population

1 A civilian is any person who does not belong to one of the categories of persons referred to in Article 4A(1), (2), (3) and (6) of the Third Convention and in Article 43 of this Protocol. In case of doubt whether a person is a civilian, that person shall be considered to be a civilian.

2 The civilian population comprises all persons who are civilians.

3 The presence within the civilian population of individuals who do not come within the definition of civilians does not deprive the population of its civilian character.

Article 51— Protection of the civilian population

1 The civilian population and individual civilians shall enjoy general protection against dangers arising from military operations. To give effect to this protection, the following rules, which are additional to other applicable rules of international law, shall be observed in all circumstances.

2 The civilian population as such, as well as individual civilians, shall not be the object of attack. Acts or threats of violence the primary purpose of which is to spread terror among the civilian population are prohibited.

3 Civilians shall enjoy the protection afforded by this Section, unless and for such time as they take a direct part in hostilities.

4 Indiscriminate attacks are prohibited. Indiscriminate attacks are:

(a) those which are not directed at a specific military objective;

(b) those which employ a method or means of combat which cannot be directed at a specific military objective; or

(c) those which employ a method or means of combat the effects of which cannot be limited as required by this Protocol;

and consequently, in each such case, are of a nature to strike military objectives and civilians or civilian objects without distinction.

5 Among others, the following types of attacks are to be considered as indiscriminate:

(a) an attack by bombardment by any methods or means which treats as a single military objective a number of clearly separated and distinct military objectives located in a city, town, village or other area containing a similar concentration of civilians or civilian objects; and

(b) an attack which may be expected to cause incidental loss of civilian life, injury to civilians, damage to civilian objects, or a combination thereof, which would be excessive in relation to the concrete and direct military advantage anticipated.

6 Attacks against the civilian population or civilians by way of reprisals are prohibited.

7 The presence or movements of the civilian population or individual civilians shall not be used to render certain points or areas immune from military operations, in particular in attempts to shield military objectives from attacks or to shield, favour or impede military operations. The Parties to the conflict shall not direct the movement of the civilian population or individual civilians in order to attempt to shield military objectives from attacks or to shield military operations.

8 Any violation of these prohibitions shall not release the Parties to the conflict from their legal obligations with respect to the civilian population and civilians, including the obligation to take the precautionary measures provided for in Article 57.