Principal papers have been completed for the areas of accounting services (2001), telecommunication services (2001), legal services (2001), real estate (2001), advertising services (2002), road freight transport (2002), engineering services (2002), prepackaged software (2003).
Se han completado documentos importantes sobre los servicios de contabilidad (2001), de telecomunicaciones (2001), jurídicos (2001), de bienes raíces (2001), de publicidad (2002), de transporte de mercancías por carretera (2002), de ingeniería (2002), programas informáticos previamente establecidos (2003).