Please choise date 19th. - 21st. of September 2023 in Englisch26th. - 28th. of September 2023 in German Please send me the details of the hotel room contingentYESNO This information is necessary for the certificate. You agree that we may use your personal data solely for the purpose of processing your registration. We will of course treat your information confidentially. Your data will not be passed on to third parties. You can revoke this consent at any time without giving reasons and with effect for the future. Inform us about the revocation at sales@trigasfi.com. In the event of a revocation, we will immediately delete your personal data. Please solve the math-quiz 12+5=?