Dear Pau1717,
It is mandatory to submit your STINE application before the 31st of March 2020. Otherwise, your application cannot be considered in the selection procedure for the MA in International Business and Sustainability.
According to the information provided by the Faculty of Business, Economics and Social Sciences, proof of English language proficiency can be submitted within your matriculation package (deadline: May 27, 2020). See the section "Check the admission requirements / Language skills" on the website of the degree program:
https://www.wiso.uni-hamburg.de/studien ... mibas.html
Kind regards,
Oksana Maryskevych