In accordance with decision 12/CP.9, all members of expert review teams participating in the technical review of greenhouse gas inventories from Parties included in Annex I to the Convention shall, from 2004, be required to sign an agreement for expert review services. By the same decision the secretariat was requested to develop such an agreement, and to make it publicly available before the twentieth session of the Subsidiary Body for Scientific and Technological Advice. This note contains that agreement.