Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims
Arbitrary, unreasonable and/or discriminatory measures
Other
http://globalarbitrationreview.com/news/article/31521/turkmenistan-faces-bit-claim-human-rights-ruling/ (requires subscription)
http://www1.umn.edu/humanrts/undocs/1530-2006.html
http://www.lexology.com/library/detail.aspx?g=8359ab05-b6a3-4864-ba9e-36b5e17d2cca
https://www.iareporter.com/arbitration-cases/farouk-bozbey-v-turkmenistan/ (requires subscription)