1.1.    Chapter 1 introduces the conceptual framework identified in MSITS 2010 (section A), describes the General Agreement on Trade in Services (GATS), modes of supply and statistical framework (section B) and provides an overview of concepts relating to statistics on resident/non-resident transactions in services (section C), foreign affiliates statistics (section D) and additional indicators for analysing the international supply of services (section E). The chapter concludes with a description of the guidelines on integrated economic statistics (section F).