The Library associated with the Research and Innovation Directorate assists doctoral students during a meeting organized prior to the defense phase to optimize the official submission of their thesis.

For more information, an instruction is available on the MIN RVD-RED intranet, in the "Submit My Thesis" section. 

2 contacts at your service based on your question:

The "Docthese" list: for submission and reporting (Documentation Center)
The "Bureau-doctorants" list: for administrative support (PhD Students Office)