Overall, preferential trade agreements are strongly influenced by the multilateral framework. Data on Rules of Origin were provided by Julien Gourdon, and additional input was provided by Susan Stone. Comments by delegates of the OECD Joint Working Party on Agriculture and Trade, and OECD colleagues, were also much appreciated, particularly those from Carmel Cahill, Julia Nielson, Frank van Tongeren, Julien Gourdon, Jestis Anton, Marie-Agnes Jouanjean and Martin von Lampe. The publication of the report was co-ordinated by Anita Lari and Michele Patterson.