Please visit DESY Guest-Services pages for more detail and registration forms, if you need them:
Before coming to DESY please check with the German Embassy or Consulate what kind of entry requirements for Germany you need. Generally all vistors need an invitation letter from DESY when applying for a visa.
Citizens of the EU and EFTA Countries do not need a visa. Citizens from Bulgaria and Romania must have a visa for Germany, if their stay exceeds 3 months. Several other countries like USA, Canada, Japan, Israel, Australia are allowed to enter Germany without a visa but for a stay of more than 3 months it is necessary for these nationalities to apply for a residence permit, which is issued by the local aliens authority in Hamburg.
|Visa -- useful links|