Beginning of the course: Web publishing of the subject, (a) the title of the topic , (b) the name of the tutor. Later: Assigning subject and tutor by lot, in a public ceremony. The results are published on the website of the course (Master platform). From this date, a non-extendible period of 15 days is set, for students who wish to exchange mutual agreement, the issues of their assigned TFM. In case of exchange, the teacher responsible for the course, duly completed Annex I shall be sent. The assignment of a topic and tutor will be valid for one academic year.