Corpoboyacá as the highest environmental authority within its jurisdiction, fulfills different activities aimed at strengthening the missionary process. The Natural Resources Administration subdirectorate has the function of directing, controlling and ensuring the optimal development of activities and projects that in some way affect the environment and renewable natural resources. The entity fulfills various functions, within which the management and review of mission files is focused, it carries out control and follow-up visits to permits, water concessions, environmental licenses and other activities that by right correspond. In this paper the activities carried out during the internship carried out in Corpoboyacá are exposed, putting into practice the knowledge acquired during the Environmental Engineering program at the Santo Tomás University, Tunja section. The duration of the internship was 480 hours. Among the activities carried out, there is the review of the files of Environmental Coal Mining Licenses, located in the municipality of Samacá Boyacá and review of the files socialized in the finding made by the Comptroller General of the Republic. Similarly, support was provided in the control and follow-up visits to the assigned mission files. Four (4) municipalities of Boyacá are examined for the Monitoring of Sanitation and Waste Management Plans (PSMV). Seven (7) visits to the Surface Water Concession and three (3) follow-ups to the Channel Occupancy Permits. The titles Technical Concepts were issued. Likewise, support was provided for updating the Geoenvironmental application, the documentary management of mission files.