Full protection and security, or similar
Arbitrary, unreasonable and/or discriminatory measures
National treatment
Most-favoured nation treatment
Indirect expropriation
Umbrella clause
https://globalarbitrationreview.com/article/1180637/austrian-businessman-takes-on-tajikistan (requires subscription)
https://www.law360.com/articles/1131368/tajikistan-targeted-in-arbitration-by-austrian-businessman
https://www.iareporter.com/articles/after-securing-commercial-award-against-a-tajikistan-bank-austrian-investor-files-an-icsid-arbitration/ (requires subscription)
https://www.iareporter.com/articles/icsid-af-arbitration-against-tajikistan-concludes-with-award/ (requires subscription)