DIRECTIVE 2010/64/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 20 October 2010 on the right to interpretation and translation in criminal proceedings
https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32010L0064&from=en
Case Study - An American in Custody in Austria
Article 47 Right to an effective remedy and to a fair trial
ECHR Article 6 - Right to a fair trial