Before applying for a VISA application letter:
First, please register online: https://registration.maw.co.at/valve20
Make sure that you register and apply early enough for the training course!
The following additional data is obligatory required from you in order to obtain a VISA invitation letter:
Please e-mail the required data to valve[at]maw.co.at
In case of not being able to attend the congress, having received an invitation letter:
Notify valve[at]maw.co.at immediately.
Otherwise MAW will have to report abuse of invitation letter and/ or issued visa to the according embassy!