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possible this book gives the registration number. But, if one has the reference to the volume of the
UNTS in which the treaty is published, or an ILM reference, it may sometimes be quicker to look up
the treaty on paper. Alternatively, a Google search will often produce the text.
The UN Secretary-General is also the depositary of over 500 multilateral treaties. The annual
publication, Multilateral Treaties Deposited with the Secretary-General (in this book referred to as
UN Multilateral Treaties), is an authoritative guide to the status of those treaties, containing as it
does information on signatures, ratifications, accessions, successions, declarations, reservations and
objections. It is published in English and French. Correct as of 31 December each year, it is normally
published in March or April of the following year. A more up-to-date English version is available on
the website. Access to the UN Treaty Collection website is free, but access to some parts of the
collection, such as the UNTS, is by subscription only, but many libraries provide free access.
Publication by states
Whether, or when, a treaty is published by a state is dependent on its constitution, legislation and
practice. Publication may be in an official gazette or journal, or in an official treaty series. In the
United Kingdom, all treaties which the United Kingdom has concluded, and which are subject to
ratification or a similar two-step procedure,
217
are published as Command Papers in the Country,
European Communities or Miscellaneous Series. The United Kingdom is party to over 2,400
treaties. Since 1892, every treaty has been published in the United Kingdom Treaty Series (UKTS),
once it has entered into force for the United Kingdom. The UKTS is not published in volumes, each
treaty being published separately. Since 1974, only the English text of multilateral treaties has been
published. Earlier British treaties dating back centuries can be found in British and Foreign State
Papers (BSP). In contrast to some (chiefly monist) states, neither laying a treaty before Parliament,
nor its publication in the UKTS has legal effect, neither procedure making the treaty part of the law
of the United Kingdom.
218
Further information can be obtained by consulting
www.fco.gov.uk/treaty/ or by e-mailing treaty.fco@gtnet.gov.uk.
Sources of treaty texts
International Legal Materials (ILM), published by the American Society of International Law six
times a year since 1962, is an invaluable source
217. See p. 81 above on the Ponsonby Rule.
218. See p. 81 above.