Documents for download Attendance form in the professional environment - Master's students Information Form – National Social Security Fund for Salaried Workers: Please attach your birth certificate, a copy of your school certificate, and the National Social Security Fund (CNAS) information form, and send them to the following email address: unvblidatelecnas@gmail.com (CNAS) – Students Attendance form in the professional environment – Bachelor's degree Internship Agreement – Master 2 GC- Certificate of conformity internship – Master