Full protection and security, or similar
https://www.iareporter.com/articles/montenegro-faces-arbitration-over-legislation-that-gave-relief-to-borrowers-that-had-taken-out-swiss-franc-loans/ (requires subscription)
http://globalarbitrationreview.com/article/1147458/balkan-states-face-claims-in-wake-of-francogeddon Issues/comments for this case (requires subscription)
http://web.archive.org/web/20220308100559/https://www.gov.me/en/article/arbitral-tribunal-dismisses-all-claims-brought-against-the-government-of-montenegro-by-addiko-bank-ag