Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims
Full protection and security, or similar
https://globalarbitrationreview.com/article/ukraine-hit-billion-dollar-claim-over-bank-takeover (requires subscription)
https://www.italaw.com/sites/default/files/case-documents/180630.pdf
https://www.iareporter.com/articles/ukraine-hit-with-billion-dollar-arbitration-over-bank-nationalisation/ (requires subscription)