The purpose of this certificate is to assess the career of national and foreign researchers within the framework of a postdoctoral itinerary to access to the Spanish System of Science, Technology, and Innovation, and to recognize the quality and independence of their research, in compliance with the European profile of established researcher (R3), obtaining the R3 certification as an established researcher.

This certificate is considered one of the most relevant recognitions of research excellence in Spain and is relevant in order to gain access to calls for funding and public positions.

This certificate was formerly known as I3 Certificate/Program:

• I3 Certificate for lecturers and researchers of the Spanish University System (2011-2022)
• Program to Boost the Incorporation and Intensification of Research Activity (2008-2010)