Luxembourg
Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims
http://www.reuters.com/article/ny-grant-eisenhofer-idUSnPn9vXYdQ+8d+PRN20150930
http://globalarbitrationreview.com/news/article/34192/greek-creditors-sue-cyprus-bailout/ (requires subscription)
https://www.iisd.org/itn/en/2020/06/20/icsid-tribunal-rejects-intra-eu-jurisdictional-objection-and-upholds-jurisdiction-over-mass-claim/