institutum Unionis Europaeae
- Santer resigned before his mandate expired. His commission served in caretaker capacity under Marín till September. Replaced by Prodi who competed Santer's mandate to 22 January 2000 when they were reappointed on their own mandate.
- Term lasted till 31 October 2004, continued as caretaker till 22 November 2004 due to delay in appointment of Barroso Commission.