This Section contains updated information on IMSO Membership: Parties to the IMSO Convention, Parties to the Protocol on the Privileges and Immunities of IMSO, Parties to the International Agreement on the use of Inmarsat Ship Earth Stations within the territorial sea and ports, and membership of the Advisory Committee. The texts of these documents are available in the official languages of the Organization – English, French, Russian and Spanish.
Information for States wishing to join the Organization is also provided, together with a model instrument of ratification. In accordance with the IMSO Convention, membership is at no cost to its Member States as the Organization is funded by GMDSS providers and LRIT Data Centre operators.
- List of parties to the Convention on the International Mobile Satellite Organization
- List of parties to the protocol on the privileges and immunities of the International Mobile Satellite Organization
- List of parties to the amending agreement to the protocol on privileges and immunities
- List of parties to the international agreement on the use of Inmarsat Ship Earth Stations within the territorial sea and ports
- Membership of the IMSO Advisory Committee
Practical information on how to become a member of IMSO. (Available in English, French and Spanish)