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Summary Information
Full Title

1976 Convention on the International Mobile Satellite Organization as amended by 1985, 1989, 1998, 2006 and 2008 Amendments

Short Title / Abbreviations

IMSO C 1976. Originally "Convention on the International Maritime Satellite Organization" (INMARSAT)

CIL Subject Classification
Citations to Text 1143 UNTS 105, 15 ILM 1051 (1976), UKTS 94 (1979), 31 UST 1, TIAS 9605 (1976)
Date of Adoption 03/09/1976
Place of Adoption London, United Kingdom
Secretariat / Relevant Authority

International Mobile Satellite Organization (IMSO)

Dispute settlement provisions

“Article 17: Settlement of Disputes

Disputes between Parties, or between Parties and the Organization, relating to any matter arising under this Convention, should be settled by negotiation between the parties concerned. If within one year of the time any party has requested settlement, a settlement has not been reached and if the parties to the dispute have not agreed either (a) in the case of disputes between Parties to submit it to the International Court of Justice; or (b) in the case of other disputes to some other procedure for settling disputes, the dispute may, if the parties to the dispute consent, be submitted to arbitration in accordance with the Annex to this Convention.”

See also Annex “PROCEDURES FOR THE SETTLEMENT OF DISPUTES REFERRED TO IN ARTICLE 17 OF THE CONVENTION”

Depository

Secretary-General of the International Maritime Organization

Annexes

Annex: Procedures for the Settlement of Disputes Referred to in Article 31 of the Convention and Article XVI of the Operating Agreement.

Entry Into Force Status In Force
Source

International Maritime Organization

Date of Entry into Force

16/07/1979

Entry into Force / Termination Provisions

“Article 19: Entry into force

1. This Convention shall enter into force sixty days after the date on which States representing 95 percent of the initial investment shares have become Parties to the Convention.

2. Notwithstanding paragraph (1), if the Convention has not entered into force within thirty-six months after the date it was opened for signature, it shall not enter into force.

3. For a State which deposits an instrument of ratification, acceptance, approval or accession after the date on which the Convention has entered into force, the ratification, acceptance, approval or accession shall take effect on the date of deposit.”

General Status 110 Parties (as of 17/11/2023)
Links to Current Status/Reservations International Maritime Organization
Status
ASEAN States
Brunei Darussalam Accession 04/10/1993
Cambodia
Indonesia Accession 09/10/1986
Declaration 09/10/1986
Lao PDR
Malaysia Accession 12/06/1986
Myanmar
Philippines Accession 30/03/1981
Singapore Signature 29/06/1979
Thailand Accession 14/12/1994
Vietnam Accession 15/04/1998
Related Instruments
Protocols / Amendments to this instrument

1985 Amendments to the Convention on the International Mobile Satellite Organization

1989 Amendments to the Convention on the International Mobile Satellite Organization

1994 Amendments to the Convention on the International Mobile Satellite Organization

1998 Amendments to the Convention on the International Mobile Satellite Organization

2006 Amendments to the Convention on the International Mobile Satellite Organization

2008 Amendments to the Convention on the International Mobile Satellite Organization

Related Instruments

1976 Operating Agreement on the International Maritime Satellite Organization

1976 Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, Including the Moon and Other Celestial Bodies

1981 Protocol on the Privileges and Immunities of the International Mobile Satellite Organization

1985 International Agreement on the Use of Inmarsat Ship Earth Stations Within the Territorial Sea and Ports

1998 Headquarters Agreement between the International Mobile Satellite Organization and the Government of the United Kingdom of Great Britain and Northern Ireland

1999 Public Services Agreement Between the International Mobile Satellite Organization, Inmarsat One Limited and Inmarsat Two Company

External Links
Additional Information

ASEAN Treaty status dates above refer to the status with regards to the 1976 agreement. For status with regard to the subsequent protocols, please refer to the IMO Status of Conventions.

The MS Word and PDF texts in this entry are based on an informal consolidated text provided by IMSO. For the original 1976 agreement please refer to the UN Treaty Collection link. For the respective protocol texts please refer to the IMSO “texts” section.