Twelfth Conference of States Parties (CSP12)

Registration deadline

10 August 2026

Registration Process

With reference to the ATT Rules of Procedure (RoP) (here), the following registration process applies for the different categories of delegations who wish to attend the Twelfth Conference of States Parties to the Arms Trade Treaty (CSP12).

PLEASE NOTE: Note verbales and formal letters submitted for registration to CSP12 must list all delegates who will participate in person and/or follow the Conference proceedings via livestreaming.

States Parties, Signatory States and Observer States wishing to send a delegation to CSP12 (in accordance with RoP 1, 2 or 3) should submit a NOTE VERBALE to the Head of the ATT Secretariat listing all delegates, indicating the full name and position of each delegate. The head of the delegation, alternate(s) and advisor(s) should be clearly indicated. In addition to this, each individual member of the delegation must register.

PLEASE NOTE: Every State that registers for CSP12 will be considered to have participated in the Conference and to have been ‘in attendance’ for the purposes of Rule 5 of the ATT Financial Rules (here).

International and Regional Organizations wishing to send a delegation to CSP12 (in accordance with RoP 4) should submit a NOTE VERBALE to the Head of the ATT Secretariat listing all delegates, indicating the full name and position of each delegate. The head of the delegation, alternate(s) and advisor(s) should be clearly indicated. In addition to this, each individual member of the delegation must register.

Civil Society Organizations including NGOs and Industry wishing to send a delegation to CSP12 (in accordance with RoP 5) should submit a FORMAL LETTER to the President of the Conference (through the ATT Secretariat) requesting to participate and listing all delegates, indicating the full name and position of each delegate. In addition to this, each individual member of the delegation must register.

PLEASE NOTE: Where NGOs and industry representatives are registering for the Conference with an international coalition of NGOs or an association representing industry, a single FORMAL LETTER from the international coalition or industry association listing the names of the organizations/companies represented and their delegates is considered to be equivalent to an individual letter from each organization/company.

Media representatives are requested to submit their credentials for accreditation to the ATT Secretariat at registration@thearmstradetreaty.org or via the online registration platform.

Objections by States Parties against the representation of a delegation

In accordance with Rule of Procedure 7.4, any objection notification of a State Party against the representation of a delegation received by the President at info@thearmstradetreaty.org by 10:00 CET Saturday, 22 August 2026 will be referred to the Conference for a procedural decision. In accordance with Rule of Procedure 7.5, any representative of a delegation whose participation has been objected to shall be seated provisionally until the Conference has given its decision.