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Analytical Guide


Succession of States in respect of Treaties

last update: 15 July 2008
A. Mandate
    G.A. Res. 1686 (XVI) of 18 December 19611  (E, F, S, R, C, A)
B. Studies undertaken by the Secretariat and Reports of the Secretary-General
    1. 20th session of the International Law Commission (1968) 
      - Succession of States to multilateral treaties: studies prepared by the Secretariat
- U.N. Doc. A/CN.4/200 and Corr.1 and Add.1 and 2 (F) (in Ybk, 1968, vII (F))
    2. 21st session of the International Law Commission (1969)
      - Succession of States to multilateral treaties: sixth study prepared by the Secretariat
- U.N. Doc. A/CN.4/210 (F) (in Ybk, 1969, vII (F))
    3. 22nd session of the International Law Commission (1970) 
      - Succession of States to multilateral treaties: seventh study prepared by the Secretariat
 
- U.N. Doc. A/CN.4/225 (F) (in Ybk, 1970, vII (F))
- ILC Report, A/8010/Rev.1 (F) (A/25/10), 1970, chp. III(A), par.36
      - Succession of States in respect of bilateral treaties: study prepared by the Secretariat
- U.N. Doc. A/CN.4/229 (F) (in Ybk, 1970, vII (F))
- ILC Report, A/8010/Rev.1 (F) (A/25/10), 1970, chp. III(A), par.36
      - Supplement to the "Digest of the Decisions of international tribunals relating to State succession"
- U.N Doc. A/CN.4/232 (F) (in Ybk, 1970, vII (F))
- ILC Report, A/8010/Rev.1 (F) (A/25/10), 1970, chp. III(A), par.36
    4. 23rd session of the International Law Commission (1971)
      - Succession of States in respect of bilateral treaties: Second and third studies prepared by the Secretariat [Air transport agreements and Trade agreements]
- U.N. Doc. A/CN.4/243 and Add.1 (F) (in Ybk, 1971, vII(2) (F))
- ILC Report, A/8410/Rev.1 (F) (A/26/10), 1971, chp. III(A), par.63
    5. 24th session of the International Law Commission (1972)
      - Supplement, prepared by the Secretariat, to Materials on succession of States (U.N. publication, Sales No. E/F.68.V.5)
- U.N. Doc. A/CN.4/263  
- ILC Report, A/8710/Rev.1 (F) (A/27/10), 1972, chp. II, par.24
C. Reports of the Working Group or Sub-Committee
    None
D. Reports of the Special Rapporteur
    1. First four draft articles of a general and preliminary character, with commentaries: use of terms; international agreements not within the scope of the present articles. 
      - First report of the Special Rapporteur, Sir Humphrey Waldock (20th session of the ILC (1968))
- U.N. Doc. A/CN.4/202 (F) (in Ybk, 1968, vII (F))
- ILC Report, A/7209/Rev.1 (F) (A/23/9), 1968, chp. III(C)(b), paras.80-91
    2. Four draft articles: use of certain terms; the area of territory passing from the State to another; devolution agreements; and unilateral declarations by successor States. 
      - Second report of the Special Rapporteur, Sir Humphrey Waldock (21st session of the ILC (1969))
- U.N. Doc. A/CN.4/214 and Add.1 and 2 (F) (in Ybk, 1969, vII (F))
- ILC Report, A/8010/Rev.1 (F) (A/25/10), 1970, chp. III(B)(1), paras.37-48
    3. Additional provisions on the use of terms, eight draft articles (arts. 5-12) providing for the participation of "new States", in regard to multilateral treaties. 
      - Third report of the Special Rapporteur, Sir Humphrey Waldock (22nd session of the ILC (1970))
- U.N. Doc. A/CN.4/224 and Add.1 (F) (in Ybk, 1970, vII (F))
- ILC Report, A/8010/Rev.1 (F) (A/25/10), 1970, chp. III(B)(1), paras.37-48
    4. Draft articles (arts. 13-17) dealing with the general rules governing the position of "new States" in regard to bilateral treaties. 
      - Fourth report of the Special Rapporteur, Sir Humphrey Waldock (23rd session of the ILC (1971))
- U.N. Doc. A/CN.4/249 (F) (in Ybk, 1971, vII(1) (F))
- ILC Report, A/8410/Rev.1 (F) (A/26/10), 1971, chp. III(A), paras.62-70
    5. Draft Articles (arts. 18-24) dealing with rules applicable to particular categories of succession and to the "dispositive", "localized" or "territorial" treaties. 
      - Fifth report of the Special Rapporteur, Sir Humphrey Waldock (24th session of the ILC (1972))
- U.N. Doc. A/CN.4/256 and Add.1-4 (F) (in Ybk, 1972, vII (F))
- ILC Report, A/8710/Rev.1 (F) (A/27/10), 1972, chp. II(A)(1), par.21
    6. Summary of the comments of Governments; Proposals on the revision of the draft articles.  
      - First report of the Special Rapporteur, Sir Francis Vallat (26th Session of the ILC (1974))
- U.N. Doc. A/CN.4/278 and Add.1-5 and Add.5/Corr.1 and Add.6 (F) (in Ybk, 1974, vII(1) (F)
- ILC Report, A/9610/Rev.1 (F) (A/29/10), 1974, chp. II(A)(1), paras.42-43
E. Reports of the Drafting Committee
    1. 24th session of the International Law Commission (1972)
      - Texts adopted by the Drafting Committee on first reading: arts 0, 1, 1bis, 1ter, 1quater, 1quinquies, 2-8, 8bis, 9-11, X, 12-13, 15, 17, 17bis, 17ter, 17quater, 17quinquies, 19-22, 22bis
- U.N. Doc. A/CN.4/L.183 (F) and Add.1 (F), Add.2 (F), Add.3 (F), Add.4 (F), Add.5 (F), and Add. 6 (F) (in Ybk, 1972, vI, (F), 1176th (F) to 1177th (F) mtgs (9 to 12 June 1972), 1181st (F) mtg (16 June 1972), 1187th (F) mtg (26 June 1972), and 1196th (F) to 1197th (F) mtgs (5 to 6 July 1972))
      - Text of article 2 adopted by the Drafting Committee on second reading
- U.N. Doc. A/CN.4/L.185 (F) (in Ybk, 1972, vI, (F), 1181st (F) mtg (16 June 1972))
    2. 26th session of the International Law Commission (1974)
      - Texts adopted by the Drafting Committee: titles of parts I, II, III (sects. 1-5), IV, and VI, and arts. 1-6, 6 bis, 7-26, 26 bis, 26 ter, 27, 28, 28 bis, 28 ter, 29, 30, 30 bis, 31, 31 bis and 31 ter
- U.N. Doc. A/CN.4/L.209 and Add.1, Add.2 and Corr.1 and Add.3-5 (F) (in Ybk, 1974, vI, (F), 1285th (F) and 1286th (F) mtgs (27 and 28 June 1974), 1290th (F) mtg (5 July 1974), and 1293rd (F), 1294th (F), 1295th (F) and 1296th (F) mtgs (12 to 18 July 1974))
      - Texts adopted by the Drafting Committee: arts. 6 and 6 bis
- U.N. Doc. A/CN.4/L.222 (F) (in Ybk, 1974, vI, (F), 1296th mtg (F) (18 July 1974))
      - Final text adopted by the Drafting Committee
- U.N. Doc. A/CN.4/L.223 and Corr.1 and Add.1(F) (in ILC Report, A/9610/Rev.1 (F) (A/29/10), 1974, chp. II(D), par.85)
F. Comments by Governments
    1. 26th session of the International Law Commission (1974) 
      - Observations of Member States on the draft articles on succession of States in respect of treaties adopted by the Commission at its twenty-fourth session
- U.N. Doc. A/CN.4/275 and Add.1 and 2 (F), U.N. Doc. A/CN.4/L.205 and U.N. Doc. A/9610/Add.1 and 2 (in ILC Report, A/9610/Rev.1 (F) (A/29/10), 1973, annex I)
      - Observations of Member States on the draft articles on succession of States in respect of treaties adopted by the Commission at its twenty-fourth session: observations of Ethiopia
- U.N. Doc. A/CN.4/L.205 (in ILC Report, A/9610/Rev.1 (F) (A/29/10), 1973, annex I)
G. Other
    1. 24th session of the International Law Commission (1972) 
      - Draft articles on succession in respect of treaties: general article submitted by the Special Rapporteur as a possible means of covering the question of lawfulness
- U.N. Doc. A/CN.4/L.184 (F) (in Ybk, 1972, vII)(F))
    2. 26th session of the International law Commission (1974)
      - Article for insertion in Part I of the draft article on succession of States in respect of treaties, proposed by Mr. Ushakov
- U.N. Doc. A/CN.4/L.206 (F) (in Ybk, 1974, vII(1)(F))
      - Text of article 32 proposed by Mr. Kearney
- U.N. Doc. A/CN.4/L.212 replaced by A/CN.4/L.221 (F) (in Ybk, 1974, vI, (F), 1296th (F) mtg (18 July 1974))
      - Article 12 bis (with new paragraph for insertion in article 2) proposed by Mr. Ushakov
- U.N. Doc. A/CN.4/L.215 and Corr.2 (F) (in ILC Report, A/9610/Rev.1 (F) (A/29/10), 1974, chp. II(A)(6)(c), par.76, ft.57))
      - Draft resolution submitted by Mr. El-Erian
- U.N. Doc. A/CN.4/L.225 (F) (in Ybk, 1974, vI, (F), 1301st mtg (F) (26 July 1974)
H. Reports of the International Law Commission
    1. Report of the International Law Commission on the work of its twentieth session, 27 May to 2 August 1968  
      - Discussed the Special Rapporteur's report and concluded that it was not called upon to make any decisions. 
      Discussion in the Plenary: 965th (F), 966th (F), 967th (F) and 968th (F) mtg (1 to 9 July 1968)
- ILC Report, A/7209/Rev.1 (F) (A/23/9), 1968, chp. III(C)(b), paras.80-91 
- Ybk, 1968, vII (F)

- Ybk, 1968, vI (F)

    2. Report of the International Law Commission on the work of its twenty-first session, 2 June to 8 August 1969 
      - The Commission was unable to discuss the second report of the Special Rapporteur.
- ILC Report, A/7610/Rev.1 (F) (A/24/10), 1969, chp. I(E), par.7 
- Ybk, 1969, vII (F)
    3. Report of the International Law Commission on the work of its twenty-second session, 4 May to 10 July 1970 
      - The Commission held discussion on the basis of the Special Rapporteur's report, and endorsed his general approach to the topic. It considered in a preliminary manner the draft articles proposed in the second and third reports of the Special Rapporteur, but did not take any formal decisions. 
      - Discussion in the Plenary: 1067th (F) and 1068th (F) mtgs (10 and 11 June 1970), and 1070th (F), 1071st (F) and 1072nd (F) mtgs (15 June to 17 June 1970)
- ILC Report, A/8010/Rev.1 (F) (A/25/10), 1970, chp. III, paras.27-63 
- Ybk, 1970, vII  (F)
 
 

-Ybk, 1970, vI (F)

    4. Report of the International Law Commission on the work of its twenty-third session, 26 April to 30 June 1971 
      - The Special Rapporteur presented his fourth report, but owing to a lack of time, the Commission was unable to discuss it.
- ILC Report, A/8410/Rev.1 (F) (A/26/10), 1971, chp. III(A), paras.62-70 
- Ybk, 1971, vII(1) (F)
- ILC Report, A/8710/Rev.1 (F) (A/27/10), 1972, chp. II, paras.14-53 
- Ybk, 1972, vII  (F)
 
 
 
 

- Ybk, 1972, vI (F)

    8. Report of the International Law Commission on the work of its twenty-fifth session, 7 May to 13 July 1973 
      - Following the resignation of the Special Rapporteur, the Commission appointed Sir Francis Vallat as the new Special Rapporteur for the topic.
- ILC Report, A/9010/Rev.1 (F) (A/28/10), 1973, chp. VII(A), par.177 
- Ybk, 1973, vII (F)
- ILC Report, A/9610/Rev.1 (F) (A/29/10), 1974, chp. II, paras.18-85 
- Ybk, 1974, vII(1) (F)
 

 
 
 
 
 

 

- Ybk, 1974, vI (F)

I. General Assembly Action
    Res. 2780 I (XXVI) of 3 December 1971    (E, F, S, R, C, A)
      - Recommended that the Commission continue its work on the topic with a view to completing in 1972 the first reading of the draft articles on succession of States in respect of treaties
    Res. 2926 (XXVII) of 28 November 1972 (E, F, S, R, C, A)
      - Recommended that the Commission continue its work on the sub-topic in the light of comments received from Member States on the provisional draft articles on succession of States in respect of treaties adopted on first reading.
    Res. 3071 (XXVIII) of 30 November 1973 (E, F, S, R, C, A)
      - Recommended that the Commission complete at its twenty-sixth session (1974), in the light of comments received from Member States, the second reading of the draft articles adopted at the Commission's twenty-fourth session.
J. Final Outcome
        - Recommended that the General Assembly should invite Member States to submit their written comments and observations on the Commission's final draft articles on succession of States in respect of treaties and convene an international conference of plenipotentiaries to study the draft articles and to conclude a convention on the subject.
- ILC Report, A/9610/Rev.1 (F) (A/29/10), 1974, chp. II(B), par.84 
- Ybk, 1974, vII(1) (F)
    General Assembly
      Res. 3315 (XXIX) of 14 December 1974 (E, F, S, R, C, A)
        - Invited Member States to submit their written comments and observations on the draft articles prepared by the Commission and on the procedure by which and the form in which work on the draft articles should be completed.
      Res. 3496 (XXX) of 15 December 1975 (E, F, S, R, C, A)
        - Decided to convene a conference of plenipotentiaries in 1977 to consider the draft articles and to embody the results in an international convention and such other instruments as it might deem appropriate.
      Res. 31/18 of 24 November 1976 (E, F, S, R, C, A)
        - Decided that the United Nations Conference on Succession of States in Respect of Treaties would be held from 4 April to 6 May 1977 at Vienna.2
      Res. 32/47 of 8 December 1977 (E, F, S, R, C, A)
        - Approved the resumed session of the Conference, held at Vienna from 31 July to 23 August 1978.2
 

(back) 1. Initially considered under the rubric of "Succession of States and Governments", which was divided into three topics in 1967, the first being "Succession of States in Respect of Treaties".
(back) 2. The conference was held as scheduled, resulting in the adoption of the Vienna Convention on Succession of States in Respect of Treaties on 22 August 1978 (United Nations publications, Sales No.F.79.V.10).

 



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