EU nationals, in general, do not require a visa, however most other non-German participants do.  

Please follow this link to find out whether you will need a visa: German Federal Foreign Office

Those who need a visa must satisfy the visa requirements of their local German Embassy/Consulate including

1. a visa invitation letter
2. a confirmed travel booking, including flight, train and/or bus bookings, hotel reservation and health insurance 
3. a confirmed order for their online registration as well as any special local requirements.

Therefore, all intended visitors should first register online for their entrance ticket. Online registration offers several cost and time saving benefits as described at the following link tickets and registration.

All visitors who need a visa should first register for their entrance ticket and then apply for their visa invitation letter. Online registration for both will be possible on this page  from June 11, 2012 onwards.

For frequently asked questions pertaining to visa applications please click here.

For further questions with regard to visa matters, please consult Messe München's subsidiary in your country or contact Ms Ursula DORNA  visaservice@messe-muenchen.de.