Preparatory School students can find necessary information and contact persons on this page:

Semester ticket

Students of TU Berlin must carry their student card and a certificate of enrollment while using public transportation in Berlin. asta.tu-berlin.de/semtix2015

Without the additional certificate of enrollment you will be fined for using transportation without a valid ticket. You will be able to reduce the fine through handing your certificate in at a customer center, but you will still be left with a processing fee.

certificate of enrollment

The certificate of enrollment will not be sent to you, you will have to print it each semester by yourself. How to find and print it, can be read here.