The TCC serves as technological process basis to guarantee compliant business travels for all employees. This given, focus lies in particular on the following scenarios: A1 Certificate of Coverage: Starting July 01, 2019, German A1 Certificates of Coverage can only be applied for electronically from the national social security systems. EU Registration: Registration is possible via individual national registration portals or forms and must be done electronically. Visa: The TCC offers an easy way to embed visa service provider systems.