Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims
Full protection and security, or similar
https://www.iareporter.com/articles/estonian-gambling-investor-brings-treaty-claim-against-ukraine/ (requires subscription)
https://globalarbitrationreview.com/article/1180339/ukraine-faces-treaty-claim-over-gambling-ban (requires subscription)
https://globalarbitrationreview.com/article/1193588/panel-in-place-for-estonian-gambling-claim-against-ukraine (requires subscription)