International Law Commission International Law Commission

Last update: June 4, 2018

Seventieth Session (2018)

Daily Bulletin

Note: No audio or video will be available for the first segment of the 70th session of the ILC held at United Nations Headquarters in New York, except for the opening meeting and commemorative events taking place on 21 May 2018.

MONDAY, 30 April 2018
Seventieth session
United Nations Headquarters in New York
3390th meeting

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  • Election of officers
    • The Commission elected Mr. Eduardo Valencia-Ospina (Colombia) as its Chair, Mr. Pavel Šturma (Czech Republic) as the First Vice-Chair, Mr. Hong Thao Nguyen (Viet Nam) as Second Vice-Chair, Mr. Charles Chernor Jalloh (Sierra Leone) as Chair of the Drafting Committee, and Ms. Patrícia Galvão Teles (Portugal) as Rapporteur.
  • Programme of work
  • Subsequent agreements and subsequent practice in relation to the interpretation of treaties
    • The Special Rapporteur, Mr. Georg Nolte, introduced his fifth report on “Subsequent agreements and subsequent practice in relation to the interpretation of treaties” (A/CN.4/715).
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Planning Group, Mr. Pavel Šturma, announced the composition of the Planning Group which is as follows: Chair: Mr. Pavel Šturma; Members: Mr. Yacouba Cissé, Ms. Concepción Escobar Hernández, Mr. Juan Manuel Gómez-Robledo, Mr. Claudio Grossman Guiloff, Mr. Hussein A. Hassouna, Mr. Mahmoud D. Hmoud, Mr. Huikang Huang, Mr. Charles Chernor Jalloh, Ms. Marja Lehto, Mr. Shinya Murase, Mr. Sean D. Murphy, Mr. Hong Thao Nguyen, Mr. Georg Nolte, Ms. Nilüfer Oral, Mr. Hassan Ouazzani Chahdi, Mr. Ki Gab Park, Mr. Ernest Petrič, Mr. Aniruddha Rajput, Mr. August Reinisch, Mr. Juan José Ruda Santolaria, Mr. Gilberto Saboia, Mr. Dire D. Tladi, Mr. Eduardo Valencia-Ospina, Mr. Marcelo Vázquez-Bermúdez, Sir Michael Wood and Ms. Patricia Galvão Teles (ex officio).

TUESDAY, 1 May 2018
Seventieth session
United Nations Headquarters in New York
3391st meeting

  • Filling of casual vacancies in the Commission
    • The Commission elected Mr. Evgeny Zagaynov (Russian Federation) to fill the casual vacancy following the resignation of Mr. Roman Anatolyevich Kolodkin.
  • Subsequent agreements and subsequent practice in relation to the interpretation of treaties
    • The Commission commenced its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/715).
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Drafting Committee, Mr. Charles Chernor Jalloh, announced the membership of the Drafting Committee on “Peremptory norms of general international law (jus cogens)” as follows: Chair: Mr. Charles Chernor Jalloh; Special Rapporteur: Mr. Dire Tladi; Members: Mr. Yacouba Cissé, Mr. Juan Manuel Gómez-Robledo, Mr. Claudio Grossman Guiloff, Mr. Mahmoud D. Hmoud, Mr. Huikang Huang, Ms. Marja Lehto, Mr. Shinya Murase; Mr. Sean D. Murphy, Mr. Hong Thao Nguyen, Ms. Nilüfer Oral, Mr. Hassan Ouazzani Chahdi, Mr. Ki Gab Park, Mr. Ernest Petrič, Mr. Aniruddha Rajput, Mr. August Reinisch, Mr. Juan José Ruda Santolaria, Mr. Pavel Šturma, Mr. Marcelo Vázquez-Bermúdez, Sir Michael Wood and Ms. Patricia Galvão Teles (ex officio).

TUESDAY, 1 May 2018
Seventieth session
United Nations Headquarters in New York
3392nd meeting

  • Commemoration of the Seventieth anniversary of the Commission
    • The Commission received a briefing on the arrangements for the commemoration of the Commission’s seventieth session.

WEDNESDAY, 2 May 2018
Seventieth session
United Nations Headquarters in New York
3393rd meeting

  • Subsequent agreements and subsequent practice in relation to the interpretation of treaties
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/715).

THURSDAY, 3 May 2018
Seventieth session
United Nations Headquarters in New York
3394th meeting

  • Subsequent agreements and subsequent practice in relation to the interpretation of treaties
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/715).
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Working Group, Mr. Marcelo Vázquez-Bermúdez, announced the membership of the Working Group on “Protection of the environment in relation to armed conflicts”, as follows: Chair: Mr. Marcelo Vázquez-Bermúdez; Special Rapporteur: Ms. Marja Lehto; Members: Mr. Yacouba Cissé; Mr. Claudio Grossman Guiloff; Mr. Mahmoud D. Hmoud; Mr. Charles Chernor Jalloh; Mr. Shinya Murase; Mr. Sean D. Murphy; Mr. Hong Thao Nguyen; Ms. Nilüfer Oral; Mr. Hassan Ouazzani Chahdi; Mr. Aniruddha Rajput; Mr. Juan José Ruda Santolaria; Mr. Gilberto Vergne Saboia; Sir Michael Wood and Ms. Patricia Galvão Teles (ex officio).

FRIDAY, 4 May 2018
Seventieth session
United Nations Headquarters in New York
3395th meeting

  • Subsequent agreements and subsequent practice in relation to the interpretation of treaties
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/715).
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Drafting Committee, Mr. Charles Chernor Jalloh, announced the membership of the Drafting Committee on “Subsequent agreements and subsequent practice in relation to the interpretation of treaties”, as follows: Chair: Mr. Charles Chernor Jalloh; Special Rapporteur: Mr. Georg Nolte; Members: Mr. Yacouba Cissé; Mr. Juan Manuel Gomez-Robledo; Mr. Claudio Grossman Guiloff; Mr. Mahmoud D. Hmoud; Mr. Shinya Murase; Mr. Sean D. Murphy; Mr. Hong Thao Nguyen; Mr. Hassan Ouazzani Chahdi; Mr. Park Ki Gab; Mr. Aniruddha Rajput; Mr. August Reinisch; Mr. Juan José Ruda Santolaria; Mr. Pavel Šturma; Mr. Dire D. Tladi; Mr. Marcelo Vazquez-Bermudez; Sir Michael Wood and Ms. Patricia Galvão Teles (ex officio).

MONDAY, 7 May 2018
Seventieth session
United Nations Headquarters in New York
3396th meeting

  • Subsequent agreements and subsequent practice in relation to the interpretation of treaties
    • The Special Rapporteur summarized the debate on his fifth report (A/CN.4/715). The Commission decided to refer draft conclusions 1 [1a] to 13 [12] to the Drafting Committee.
  • Identification of customary international law
    • The Special Rapporteur, Sir Michael Wood, introduced his fifth report on “Identification of customary international law” (A/CN.4/717). The Secretariat introduced its Memorandum on the “Ways and means for making the evidence of customary international law more readily available” (A/CN.4/710). The Commission began its consideration of the Special Rapporteur’s report on the topic.

TUESDAY, 8 May 2018
Seventieth session
United Nations Headquarters in New York
3397th meeting

  • Identification of customary international law
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/717).

WEDNESDAY, 9 May 2018
Seventieth session
United Nations Headquarters in New York
3398th meeting

  • Visit of the United Nations Legal Counsel
    • The United Nations Legal Counsel, Mr. Miguel de Serpa Soares, made a statement informing the Commission of the activities of the Office of Legal Affairs and recent developments of international law in the context of the United Nations. An exchange of views followed.
  • Identification of customary international law
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/717).

THURSDAY, 10 May 2018
Seventieth session
United Nations Headquarters in New York
3399th meeting

  • Identification of customary international law
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/717).
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Working Group on Long-term programme of work, Mr. Mahmoud D. Hmoud, announced the membership of the Working Group on Long-term programme of work, as follows: Chair: Mr. Mahmoud D. Hmoud; Members: Mr. Bogdan Aurescu, Mr. Yacouba Cissé, Ms. Concepción Escobar Hernandez, Mr. Juan Manuel Gomez-Robledo, Mr. Claudio Grossman Guiloff, Mr. Hussein A. Hassouna, Mr. Huikang Huang, Mr. Jalloh Charles Chernor, Ms. Marja Lehto, Mr. Shinya Murase, Mr. Sean D. Murphy, Mr. Hong Thao Nguyen, Mr. Georg Nolte, Ms. Nilufer Oral, Mr. Hassan Ouazzani Chahdi, Mr. Park Ki Gab; Mr. Aniruddha Rajput; Mr. August Reinisch; Mr. Juan José Ruda Santolaria; Mr. Gilberto Vergne Saboia, Mr. Pavel Šturma, Mr. Dire D. Tladi, Mr. Marcelo Vazquez-Bermudez; Sir Michael Wood and Ms. Patricia Galvão Teles (ex officio).

FRIDAY, 11 May 2018
Seventieth session
United Nations Headquarters in New York
3400th meeting

  • Identification of customary international law
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/717).

FRIDAY, 11 May 2018
Seventieth session
United Nations Headquarters in New York
3401st meeting

  • Identification of customary international law
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/717).
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Drafting Committee, Mr. Charles Chernor Jalloh, announced the membership of the Drafting Committee on “Identification of customary international law” as follows: Chair: Mr. Charles Chernor Jalloh; Special Rapporteur: Sir Michael Wood; Members: Mr. Carlos Arguello Gomez, Mr. Bogdan Aurescu, Mr. Juan Manuel Gómez-Robledo, Mr. Claudio Grossman Guiloff, Mr. Mahmoud D. Hmoud, Mr. Huikang Huang, Ms. Marja Lehto, Mr. Shinya Murase, Mr. Sean D. Murphy, Mr. Hong Thao Nguyen, Mr. Georg Nolte, Ms. Nilüfer Oral, Mr. Ki Gab Park, Mr. Aniruddha Rajput, Mr. August Reinisch, Mr. Juan José Ruda Santolaria, Gilberto Vergne Saboia, Mr. Dire Tladi, Mr. Marcelo Vázquez-Bermúdez, and Ms. Patricia Galvão Teles (ex officio).

MONDAY, 14 May 2018
Seventieth session
United Nations Headquarters in New York
3402nd meeting

  • Identification of customary international law
    • The Special Rapporteur summarized the debate on his fifth report (A/CN.4/717). The Commission decided to refer draft conclusions 1 to 16 to the Drafting Committee.
    • The Commission decided to establish a Working Group to consider the commentaries to the draft conclusions.
  • Provisional application of treaties
    • The Special Rapporteur, Mr. Juan Manuel Gómez-Robledo, introduced his fifth report on “Provisional application of treaties” (A/CN.4/718). The Secretariat introduced its Memorandum (A/CN.4/707). The Commission began its consideration of the Special Rapporteur’s report on the topic.
  • Peremptory norms of general international law (jus cogens)
    • The Chair of the Drafting Committee presented the interim report of the Drafting Committee on “Peremptory norms of general international law (jus cogens)”. The Commission took note of the interim report.

TUESDAY, 15 May 2018
Seventieth session
United Nations Headquarters in New York
3403rd meeting

  • Provisional application of treaties
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/718).

WEDNESDAY, 16 May 2018
Seventieth session
United Nations Headquarters in New York
3404th meeting

  • Provisional application of treaties
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/718).
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Working Group on Identification of customary international law, Mr. Marcelo Vazquez-Bermudez, announced the membership of the Working Group on Identification of customary international law, as follows: Chair: Mr. Marcelo Vazquez-Bermudez; Special Rapporteur: Sir Michael Wood; Members: Mr. Carlos Arguello Gomez, Mr. Yacouba Cissé, Mr. Juan Manuel Gomez-Robledo, Mr. Claudio Grossman Guiloff, Mr. Huikang Huang, Mr. Charles Chernor Jalloh, Ms. Marja Lehto, Mr. Shinya Murase, Mr. Sean D. Murphy, Mr. Georg Nolte, Ms. Nilufer Oral, Mr. Ouazzani Chahdi, Mr. Park Ki Gab; Mr. Aniruddha Rajput; Mr. August Reinisch; Mr. Juan José Ruda Santolaria; Mr. Gilberto Vergne Saboia, and Ms. Patricia Galvão Teles (ex officio).

THURSDAY, 17 May 2018
Seventieth session
United Nations Headquarters in New York
3405th meeting

  • Provisional application of treaties
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/718).
  • Protection of the atmosphere
    • The Special Rapporteur, Mr. Shinya Murase, introduced his fifth report on “Protection of the atmosphere” (A/CN.4/711).

FRIDAY, 18 May 2018
Seventieth session
United Nations Headquarters in New York
3406th meeting

  • Subsequent agreements and subsequent practice in relation to the interpretation of treaties
    • The Chair of the Drafting Committee presented the report of the Drafting Committee on “Subsequent Agreement and Subsequent Practice in relation to the interpretation of treaties” (A/CN.4/L.907). The Commission considered the report and adopted the following draft conclusions on second reading: 1 (Scope/Champ d’application), 2 (General rule and means of treaty interpretation /Règle générale et moyens d’interprétation des traités), 3 (Subsequent agreements and subsequent practice as authentic means of interpretation / Les accords ultérieurs et la pratique ultérieure comme moyens d’interprétation authentiques), 4 (Definition of subsequent agreement and subsequent practice / Définition de l’accord ultérieur et de la pratique ultérieure), 5 (Conduct as subsequent practice / La conduite en tant que pratique ultérieure), 6 (Identification of subsequent agreements and subsequent practice / Identification des accords ultérieurs et de la pratique ultérieure), 7 (Possible effects of subsequent agreements and subsequent practice in interpretation / Effets possibles des accords ultérieurs et de la pratique ultérieure dans le contexte de l’interprétation), 8 (Interpretation of treaty terms as capable of evolving over time / L’interprétation des termes d’un traité comme susceptibles d’évolution dans le temps), 9 (Weight of subsequent agreements and subsequent practice as a means of interpretation / Poids des accords ultérieurs et de la pratique ultérieure comme moyens d’interprétation), 10 (Agreement of the parties regarding the interpretation of a treaty / Accord des parties au sujet de l’interprétation d’un traité), 11 (Decisions adopted within the framework of a Conference of States Parties / Décisions adoptées dans le cadre d’une conférence des parties), 12 (Constituent instruments of international organizations / Actes constitutifs d’organisations internationales), and 13 (Pronouncements of expert treaty bodies/ Prononcés d’organes conventionnels d’experts).
  • Provisional application of treaties
    • The Commission continued its consideration of the Special Rapporteur’s fifth report on the topic (A/CN.4/718).

MONDAY, 21 May 2018
Seventieth session
United Nations Headquarters in New York
3407th meeting

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  • Commemoration of the seventieth anniversary of the Commission
    • The Commission held a solemn meeting in commemoration of its seventieth anniversary. Commemorative speeches were delivered by: Mr. Eduardo Valencia-Ospina, Chair of the International Law Commission; Mr. Miguel de Serpa Soares, Legal Counsel of the United Nations; H.E. Mr. Miroslav Lajčák, President of the General Assembly of the United Nations; H.E. Mr. Burhan Gafoor, Chair of the Sixth Committee of the General Assembly of the United Nations; H.E. Mr. Jürg Lauber, Permanent Representative of Switzerland to the United Nations; and H.E. Ms. Jennifer G. Newstead, Legal Adviser of the Department of State of the United States of America. The keynote address was delivered by Professor Nico Schrijver, Leiden Law School.

MONDAY, 21 May 2018
Seventieth session
United Nations Headquarters in New York
3408th meeting

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  • Commemoration of the seventieth anniversary of the Commission
    • Following introductory remarks by H.E. Mr. Burhan Gafoor, Chair of the Sixth Committee of the General Assembly of the United Nations, and Mr. Eduardo Valencia-Ospina, Chair of the International Law Commission, two panel discussions were held in commemoration of the Commission’s seventieth anniversary.

TUESDAY, 22 May 2018
Seventieth session
United Nations Headquarters in New York
3409th meeting

  • Provisional application of treaties
    • The Special Rapporteur summarized the debate on his fifth report (A/CN.4/718). The Commission decided to refer draft guidelines 5 bis, and 8 bis, as well as draft model clauses 1 to 8, to the Drafting Committee, together with draft guidelines 1 to 11 [12], as adopted provisionally in 2017.
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Drafting Committee, Mr. Charles Chernor Jalloh, announced the membership of the Drafting Committee on “Provisional application of treaties” as follows: Chair: Mr. Charles Chernor Jalloh; Special Rapporteur: Mr. Juan Manuel Gómez-Robledo; Members: Mr. Carlos J. Argüello Gómez, Mr. Bogdan Aurescu, Mr. Yacouba Cissé, Ms. Concepción Escobar-Hernandez, Mr. Claudio Grossman Guiloff, Mr. Huikang Huang, Ms. Marja Lehto, Mr. Sean D. Murphy, Mr. Hassan Ouazzani Chahdi, Mr. Ki Gab Park, Mr. Aniruddha Rajput, Mr. August Reinisch, Mr. Juan José Ruda Santolaria, Mr. Pavel Šturma, Mr. Marcelo Vázquez-Bermúdez Mr. Michael Wood, Mr. Evgeny Zagaynov and Ms. Patricia Galvão Teles (ex officio).
  • Protection of the atmosphere
    • The Commission began its consideration of the Special Rapporteur’s report on the topic (A/CN.4/711).

WEDNESDAY, 23 May 2018
Seventieth session
United Nations Headquarters in New York
3410th meeting

  • Protection of the atmosphere
    • The Commission continued its consideration of the Special Rapporteur’s report on the topic (A/CN.4/711).

THURSDAY, 24 May 2018
Seventieth session
United Nations Headquarters in New York
3411th meeting

  • Protection of the atmosphere
    • The Commission continued its consideration of the Special Rapporteur’s report on the topic (A/CN.4/711).

FRIDAY, 25 May 2018
Seventieth session
United Nations Headquarters in New York
3412th meeting

  • Identification of customary international law
    • The Chair of the Drafting Committee presented the report of the Drafting Committee on “Identification of customary international law” (A/CN.4/L.908). The Commission considered the report and adopted the following draft conclusions on second reading: 1 (Scope/Portée), 2 (Two constituent elements/Deux éléments constitutifs), 3 (Assessment of evidence for the two constituent elements/Appréciation des moyens permettant d’établir les deux éléments constitutifs), 4 (Requirement of practice/Exigence d’une pratique), 5 (Conduct of the State as State practice/Comportement de l’État en tant que pratique de l’État), 6 (Forms of practice/Formes de pratique), 7 (Assessing a State’s practice/Appréciation de la pratique d’un État), 8 (The practice must be general/La pratique doit être générale), 9 (Requirement of acceptance as law (opinio juris)/Exigence d’une pratique générale acceptée comme étant le droit (opinio juris)), 10 (Forms of evidence of acceptance as law (opinio juris)/Formes de preuve de l’acceptation comme étant le droit (opinio juris)), 11 (Treaties/Traités), 12 (Resolutions of international organizations and intergovernmental conferences/Résolutions d’organisations internationales et de conférences intergouvernementales), 13 (Decisions of courts and tribunals/Décisions de juridictions), 14 (Teachings/Doctrine), 15 (Persistent objector/Objecteur persistant), 16 (Particular customary international law/Droit international coutumier particulier).
  • Protection of the atmosphere
    • The Commission continued its consideration of the Special Rapporteur’s report on the topic (A/CN.4/711).

TUESDAY, 29 May 2018
Seventieth session
United Nations Headquarters in New York
3413th meeting

  • Protection of the atmosphere
    • The Special Rapporteur summarized the debate on his fifth report (A/CN.4/711). The Commission decided to refer draft guidelines 10 to 12 to the Drafting Committee.
  • Programme, procedures, working methods of the Commission and its documentation
    • The Chair of the Drafting Committee, Mr. Charles Chernor Jalloh, announced the membership of the Drafting Committee on “Protection of the atmosphere” as follows: Chair: Mr. Charles Chernor Jalloh; Special Rapporteur: Mr. Shinya Murase; Members: Mr. Bogdan Aurescu, Mr. Claudio Grossman Guiloff, Mr. Huikang Huang, Ms. Marja Lehto, Mr. Sean D. Murphy, Mr. Hong Thao Nguyen, Mr. Georg Nolte, Ms. Nilüfer Oral, Mr. Ki Gab Park, Mr. Aniruddha Rajput, Mr. August Reinisch, Mr. Juan José Ruda Santolaria, Mr. Marcelo Vázquez-Bermúdez Mr. Michael Wood and Ms. Patricia Galvão Teles (ex officio).

WEDNESDAY, 30 May 2018
Seventieth session
United Nations Headquarters in New York
3414th meeting

  • Peremptory norms of general international law (jus cogens)
    • The Commission began its consideration of the Special Rapporteur’s third report on the topic (A/CN.4/714 + Corr.1).

THURSDAY, 31 May 2018
Seventieth session
United Nations Headquarters in New York
3415th meeting

  • Peremptory norms of general international law (jus cogens)
    • The Commission continued its consideration of the Special Rapporteur’s third report on the topic (A/CN.4/714 + Corr.1).
  • Provisional application of treaties
    • The Chair of the Drafting Committee presented the report of the Drafting Committee on “Provisional application of treaties” (A/CN.4/L.910). The Commission considered the report and adopted the texts and titles of the following draft guidelines: 6 (Legal effect of provisional application/ Effet juridique de l’application à titre provisoire), 7 (Reservations/ Réserves), 9 (Termination and suspension of provisional application/ Extinction et suspension de l’application à titre provisoire), 10 (Internal law of States and rules of international organizations, and the observance of provisionally applied treaties/ Droit interne des États et règles des organisations internationales, et respect des traités appliqués à titre provisoire), 11 (Provisions of internal law of States and rules of international organizations regarding competence to agree on the provisional application of treaties/ Dispositions du droit interne des États et règles des organisations internationales concernant la compétence de convenir de l’application à titre provisoire des traités), 12 (Agreement to provisional application with limitations deriving from internal law of States and rules of international organizations/ Accord relatif à l’application à titre provisoire avec les limites découlant du droit interne des États et des règles des organisations internationales). The Commission further adopted, on first reading, the entire set of draft guidelines, including the draft guidelines adopted at its sixty-ninth session in 2017, as a whole as the “Guide to Provisional Application of Treaties”. The Commission also took note of the recommendation of the Drafting Committee regarding the draft model clauses proposed by the Special Rapporteur in his fifth report (A/CN.4/718).

FRIDAY, 1 June 2018
Seventieth session
United Nations Headquarters in New York
3416th meeting

  • Peremptory norms of general international law (jus cogens)
    • The Commission continued its consideration of the Special Rapporteur’s third report on the topic (A/CN.4/714 + Corr.1).