Exploration and Use of Outer Space, Including the Moon

Article XI

In order to promote international co-operation in the peaceful
exploration and use of outer space, States Parties to the Treaty
conducting activities in outer space, including the moon and other
celestial bodies, agree to inform the Secretary-General of the United
Nations as well as the public and the international scientific community,
to the greatest extent feasible and practicable, of the nature, conduct,
locations and results of such activities. On receiving the said
information, the Secretary-General of the United Nations should be
prepared to disseminate it immediately and effectively.

Article XII

All stations, installations, equipment and space vehicles on the moon and
other celestial bodies shall be open to representatives of other States
Parties to the Treaty on a basis of reciprocity. Such representatives
shall give reasonable advance notice of a projected visit, in order that
appropriate consultations may be held and that maximum precautions may be
taken to assure safety and to avoid interference with normal operations
in the facility to be visited.

Article XIII

The provisions of this Treaty shall apply to the activities of States
Parties to the Treaty in the exploration and use of outer space,
including the moon and other celestial bodies, whether such activities
are carried on by a single State Party to the Treaty or jointly with
other States, including cases where they are carried on within the
framework of international inter-governmental organizations.

Any practical questions arising in connexion with activities carried on
by international inter-governmental organizations in the exploration and
use of outer space, including the moon and other celestial bodies, shall
be resolved by the States Parties to the Treaty either with the
appropriate international organization or with one or more States members
of that international organization, which are Parties to this Treaty.

Article XIV

1. This Treaty shall be open to all States for signature. Any State which
does not sign this Treaty before its entry into force in accordance with
paragraph 3 of this Article may accede to it at any time.

2. This Treaty shall be subject to ratification by signatory States.
Instruments of ratification and instruments of accession shall be
deposited with the Governments of the United Kingdom of Great Britain and
Northern Ireland, the Union of Soviet Socialist Republics and the United
States of America, which are hereby designated the Depositary
Governments.

3. This Treaty shall enter into force upon the deposit of instruments of
ratification by five Governments including the Governments designated as
Depositary Governments under this Treaty.

4. For States whose instruments of ratification or accession are
deposited subsequent to the entry into force of this Treaty, it shall
enter into force on the date of the deposit of their instruments of
ratification or accession.

5. The Depositary Governments shall promptly inform all signatory and
acceding States of the date of each signature, the date of deposit of
each instrument of ratification of and accession to this Treaty, the date
of its entry into force and other notices.

6. This Treaty shall be registered by the Depositary Governments pursuant
to Article 102 of the Charter of the United Nations .

Article XV

Any State Party to the Treaty may propose amendments to this Treaty.
Amendments shall enter into force for each State Party to the Treaty
accepting the amendments upon their acceptance by a majority of the
States Parties to the Treaty and thereafter for each remaining State
Party to the Treaty on the date of acceptance by it.

Article XVI

Any State Party to the Treaty may give notice of its withdrawal from the
Treaty one year after its entry into force by written notification to the
Depositary Governments. Such withdrawal shall take effect one year from
the date of receipt of this notification.

Article XVII

This Treaty, of which the English, Russian, French, Spanish and Chinese
texts are equally authentic, shall be deposited in the archives of the
Depositary Governments. Duly certified copies of this Treaty shall be
transmitted by the Depositary Governments to the Governments of the
signatory and acceding States.

In witness whereof the undersigned, duly authorised, have signed this
Treaty.

Done in triplicate, at the cities of London, Moscow and Washington, the
twenty-seventh day of January, one thousand nine hundred and sixty-seven.

Author: international

Mentioned in these Entries

Charter of the United Nations, Exploration and Use of Outer Space, Including the Moon.