To make any changes in the assignment of tutor / thesis director ( supervisor ), the doctoral student must communicate them to the Academic Committee of the Program, by means a document explaining the motivation of the change. This document must be signed by all those involved in the change (s): director / tutor who stand down and director / tutor who accepts the function.
If the changes are referring to the title of the thesis the document must be signed by the Director(s) of the thesis and by the tutor (if different from the director).
The Academic Committee of the Program is the responsible for the acceptance of the proposed changes.