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The obligation to submit declarations and reports

The first 56 states parties duly submitted the declaration required by Article 2 of the Treaty detailing their nuclear-weapons status. Five of the states parties — Dominica, The Gambia, Honduras, San Marino, and the Seychelles — submitted their respective declarations after their 30-day deadline, however.

The Cook Islands was the first state party to the TPNW to submit a declaration to the UN Secretary-General as required by Article 2 of the Treaty. Siai Taylor, a foreign affairs officer at the Ministry of Foreign Affairs of the Cook Islands, deposited the  country’s instrument of accession to the TPNW with the Office of the UN Secretary-General on 4 September 2019, and simultaneously submitted its Article 2 declaration.
The Cook Islands was the first state party to the TPNW to submit a declaration to the UN Secretary-General as required by Article 2 of the Treaty. Siai Taylor, a foreign affairs officer at the Ministry of Foreign Affairs of the Cook Islands, deposited the country’s instrument of accession to the TPNW with the Office of the UN Secretary-General on 4 September 2019, and simultaneously submitted its Article 2 declaration. Photo: Office of Legal Affairs, UN
ARTICLES 2 AND 4 - INTERPRETATION