Registration of vehicles at the Gex sous-préfecture: now by appointment only

The Gex sous-préfecture has informed CERN that it has taken the following steps in order to reduce waiting times at its counters for the issue of carte grise vehicle registration certificates. As of 1 February 2016, you must book an appointment via the website for all services relating to the registration of vehicles, in particular the:


  • change of the holder of a registration certificate,
  • issue of a certificat de situation administrative (administrative status certificate required for the sale of a vehicle),
  • change of marital status (or company name in the case of legal entities),
  • change of address,
  • change in the technical specification of the vehicle,
  • corrections to registration certificates,
  • equests for duplicates (loss or theft of registration certificates),
  • registration of a diplomatic vehicle (CERN),
  • registration of a new vehicle,
  • registration of vehicles purchased tax-free in the Pays de Gex free zone (formerly TTW series), and
  • import of vehicles (from within the EU, from Switzerland, from outside the EU).

Further information about these services can be obtained by sending an e-mail to or by calling +33 4 50 41 51 51 on Mondays and Tuesdays between 2 p.m. and 4 p.m. and on Wednesdays between 9 a.m. and 12 noon. Please note that appointments cannot be booked by telephone.