Applicants with certificates from abroad must also send their application to uni-assist. There, your national credentials and qualifications are checked to see if they can be admitted to TH Köln.
uni-assist will evaluate your national certificates and qualifications, i.e. whether they qualify in principle for admission to TH Köln. uni-assist was founded to simplify the application procedure for foreign applicants and to support German universities in their selection of students with certificates from abroad.