Submitting your dissertation
The PhD regulations explain, among other things, which criteria a dissertation has to meet, the requirements for the non-scientific part of the dissertation, the composition of the doctoral and opposition committee, and so on.
Information about the procedures relating to submitting and defending your dissertation and which forms are required can be found here.
Your dissertation layout must meet certain requirements. Find out here which special rules apply if you have written your dissertation with others or if you are publishing a commercial edition.
More practical information about submitting your dissertation can be found here.