The Pacioli network explores the needs for and feasibility of innovation in farm accounting and its consequences for data gathering for policy analysis in Farm Accountancy Data Networks (FADNs). PACIOLI 10 was held in Motta di Livenza, near Venice, Italy, in December 2002. This workshop report presents the papers. In the 10th Pacioli workshop special attention was given to a number environmental topics, using micro data. Other topics include policy models, farm safety nets, corporate social responsibility, software development, representativity in data networks and farm auditing. In addition results of the workgroup sessions on the creation of a thematic network are reported.