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whatever his or her nationality, shall not be prosecuted, detained, punished or
subjected to any other restriction of his or her personal liberty in the territory
of the State to which that person is transferred in respect of acts, omissions or
convictions prior to his or her departure from the territory of the State from
which he or she was transferred.
13. Each State Party shall designate a central authority that shall have the
responsibility and power to receive requests for mutual legal assistance and
either to execute them or to transmit them to the competent authorities for
execution. Where a State Party has a special region or territory with a separate
system of mutual legal assistance, it may designate a distinct central authority
that shall have the same function for that region or territory. Central authorities
shall ensure the speedy and proper execution or transmission of the requests
received. Where the central authority transmits the request to a competent
authority for execution, it shall encourage the speedy and proper execution of
the request by the competent authority. The Secretary-General of the United
Nations shall be notified of the central authority designated for this purpose at
the time each State Party deposits its instrument of ratification, acceptance or
approval of or accession to this Convention. Requests for mutual legal assistance
and any communication related thereto shall be transmitted to the central
authorities designated by the States Parties. This requirement shall be without
prejudice to the right of a State Party to require that such requests and com-
munications be addressed to it through diplomatic channels and, in urgent
circumstances, where the States Parties agree, through the International
Criminal Police Organization, if possible.
14. Requests shall be made in writing or, where possible, by any means
capable of producing a written record, in a language acceptable to the requested
State Party, under conditions allowing that State Party to establish authenticity.
The Secretary-General of the United Nations shall be notified of the language
or languages acceptable to each State Party at the time it deposits its instrument
of ratification, acceptance or approval of or accession to this Convention. In
urgent circumstances and where agreed by the States Parties, requests may be
made orally, but shall be confirmed in writing forthwith.
15. A request for mutual legal assistance shall contain:
(a) The identity of the authority making the request;
(b) The subject matter and nature of the investigation, prosecution or
judicial proceeding to which the request relates and the name and functions of
the authority conducting the investigation, prosecution or judicial proceeding;
(c) A summary of the relevant facts, except in relation to requests for the
purpose of service of judicial documents;