This note provides information on the status of submission of third national communications from Parties included in Annex I to the Convention (Annex I Parties) and on the reviews coordinated by the secretariat. In accordance with decision 11/CP.4 of the Conference of the Parties (COP) at its fourth session, third national communications should have been submitted to the secretariat by 30 November 2001. The COP, by its decision 33/CP.7, requested the secretariat to apply procedures for the review of third national communications, including in-depth reviews, as defined in decisions 2/CP.1 and 6/CP.3