B. Studies undertaken by the Secretariat and Reports of the Secretary-General

1. 58th session of the International Law Commission (2006)
- Memorandum prepared by the Secretariat

None

1. Setting out an overall view of the subject, while highlighting the legal problems which it raised and the methodological difficulties related to its consideration.
- Report of the Special Rapporteur, Maurice Kamto (57th session of the ILC (2005))

2. Review of the history of the topic, as well as of the consideration of the preliminary report Consideration of recent developments relating to the topic. Discussion of questions of scope and definitions
- Second Report of the Special Rapporteur, Maurice Kamto (59th session of the ILC (2007))

3. Consideration of general principles, the right of expulsion, the requirement of exercise subject to respect for the fundamental rules of international law, as well as the limits relating to the person to be expelled (principle of non-expulsion of nationals, principle of non-expulsion of refugees, principle of non-expulsion of stateless persons, and principle of prohibition of collective expulsion)
- Third Report of the Special Rapporteur, Maurice Kamto (59th session of the ILC (2007))

4. Expulsion in cases of dual or multiple nationality (are dual or multiple nationals aliens? and is the expelling State the State of dominant or effective nationality of the person being expelled?) and loss of nationality, denationalization and expulsion (Loss of nationality and denationalization, and expulsion in cases of loss of nationality or denationalization)
- Fourth Report of the Special Rapporteur, Maurice Kamto (60th session of the ILC (2008))

6. 60th session of the International Law Commission (2008)

- Progress report by the Chairman of the Drafting Committee

None

None

1. Report of the International Law Commission on the work of its Fifty-sixth session, 3 May to 4 June and 5 July to 6 August 2004   
- Decided to include the topic in its current programme of work and appointed Maurice Kamto as Special Rapporteur .  
- Discussion in Plenary: 2830th (F) mtg (6 August 2004) 

2. Report of the International Law Commission on the work of its Fifty-seventh session, 2 May to 3 June and 11 July to 5 August 2005
- The Commission had before it the preliminary report of the Special Rapporteur providing an overall view of the topic. It held a discussion on the report.
- Discussion in plenary: 2849th (F), 2850th (F), 2851st (F) and 2852nd (F) mtgs (11 to 15 July 2005)

3. Report of the International Law Commission on the work of its Fifty-eighth session, 1 May to 9 June and 3 July to 11 August 2006
- The Commission had before it the second report of the Special Rapporteur for the topic, Mr. Maurice Kamto and a memorandum prepared by the Secretariat. The Commission decided to consider the report at its next session in 2007.

4. Report of the International Law Commission on the work of its Fifty-ninth session, 7 May to 5 June and 9 July to 10 August 2007
-The Commission had before it the second and third reports of the Special Rapporteur (A/CN.4/573 and Corr.1 and A/CN.4/581), . At its 2926th meeting, held on 29 May 2007, the Commission decided to refer to the Drafting Committee draft articles 1 and 2, as revised by the Special Rapporteur at that meeting.392 At its 2944th meeting, held on 27 July 2007, the Commission decided to refer to the Drafting Committee draft articles 3 to 7.
- Discussion in plenary: 2923rd (F), 2924th (F), 2925th (F), 2926th (F) mtgs, from 23 to 29 May 2007, and 2941st (F), 2942nd (F), 2943rd (F), and 2944th mtgs, from 24 to
27 July 2007.

Res. 59/41 of 2 December 2004 (E, F, S, R, C, A)
- Endorsed the Commission's decision to include the topic in its programme of work.

Res. 60/22 of 23 November 2005 (E, F, S, R, C, A)
- Invited Governments to provide information to the International Law Commission on the topic.

Res. 62/66 of 6 December 2007 (E, F, S, R, C, A)
- Invited Governments to provide information to the International Law Commission on the topic.

Work in progress