Rule 18 of the rules of procedure for the Conference of the Parties to the United Nations Convention against Transnational Organized Crime:
1. The credentials of representatives of each State Party and the names of the persons constituting the State Party's delegation shall be submitted to the secretariat if possible not later than twenty-four hours in advance of the opening of the session.
2. Any later change in the composition of the delegation shall also be submitted to the secretariat.
3. The credentials shall be issued by the Head of State or Government, by the Minister for Foreign Affairs or by the Permanent Representative to the United Nations of the State party in accordance with its domestic law or, in the case of a regional economic integration organization, by the competent authority of that organization.
4. When the Conference is to consider proposals for amendments to the Convention in accordance with article 39 of the Convention and rule 62 of the rules of procedure for the Conference, the credentials shall be issued either by the Head of State or Government or by the Minister for Foreign Affairs of the State party or, in the case of a regional economic integration organization, by the competent authority of that organization.
States parties are requested to ensure that the credentials submitted to the Secretariat are in compliance with the rules of procedure.
When Notes Verbales are submitted to the Secretariat, they should bear the full name and signature of the Permanent Representatives to the United Nations of the State party and be duly stamped.
In case credentials cannot be procured for the Conference of the Parties, official Note Verbales will be accepted. Please find below samples for the correct submission of Note Verbales for the Conference and the Working Groups: