Contrary to the Bachelor, Master and Doctoral degrees, which are national, DU means "University diploma".
Application process, the duration of studies, the evaluation method can be very different depending on the purpose of the diploma.
[2] They do not fit in the Bachelor-Master-PhD diagram[3] and no university may require obtaining a DU "complementary" to validate a state diploma (although in practice this dual training is often recommended).
[4] These qualifications are managed in local autonomy, that is to say, out of the overall budget of the Ministry (endowment per student) and their prices are aligned with those of the private sector training.
Universities are free to set tuition fees to a DIU, contrary to the cost of national degrees.