a) Development of the activity:The doctoral student will participate voluntarily in this activity starting from the second year of enrollment in the program. The stay must have a minimum duration of 2 months. It will consist of 320 hours over 3 years for full-time students or over 5 years for part-time students.

b) Recognitions:This activity cannot be recognized for stays completed before admission to the program or for stays carried out during the program that were not authorized by the Academic Committee.c) The person responsible for this activity will be in charge of:- Providing all necessary information so that the student can carry out the activity normally.

c) The person responsible for this activity will be in charge of:- Providing all the necessary information so that the student can carry out the activity normally.

d) The supervisor must:- Assess, together with their doctoral student, the suitability of undertaking this type of stay, and examine the potential centers where such an activity could take place.- Before deciding to participate in this activity, the doctoral student must have the approval of their supervisor and the acceptance letter from the host center.- The criterion for determining if the stay is national will be the nationality and place of residence of the student. For example, an Italian student residing in Italy may carry out a national stay in the mentioned country; however, if they justify that their place of residence is in Spain, the national stay must take place in that country.- The University has a call, open on a permanent basis, through which it can partially or fully fund stays at research centers other than UCAM (http://investigacion.ucam.edu/doctorado/movilidad).

e) The tutor must: - Verify the delivery of the Acceptance Letter for the stay from the host institution; the certificate accrediting the stay, issued by the person responsible for the group in which the stay was carried out; and a report of the activities carried out (monitoring of the activity via the virtual campus).

f) The doctoral student must: - Take the initiative in contacting their supervisor and tutor for the development of this activity. - Assess, together with their supervisor, the suitability of undertaking this type of stay, and study the possible institutions where it could be carried out. - Upon completing the stay, upload to Laurea Academic the certificate of stay issued by the institution where it was completed, along with a brief report explaining all academic activities carried out during the stay, signed by the responsible tutor at the host institution.

g) This activity is optional. The doctoral student must complete at least two of the optional activities proposed in the Program.