Enterprise Resource Planning Systems (ERP) are information systems that manage operations centrally major budgeted and business entities. Because of the diversity in the processes that run on the entities that these systems must have a framework, mechanisms extension, modification or creation of new process modules for customization of the implemented solution. In this paper we analyze a case study of the use of the framework for the extension Sauxe ERP: Cedrux Integrated Management System, which was developed at the University of Information Sciences (UCI) through integration several agencies and national companies. Specifically described its use for creating Postgraduate Subsystem 1.0 which was performed to manage courses, trainings, courses and academic programs CEIGE center professionals in the UCI. XVI Convención Científica de Ingeniería y Arquitectura .