Arbitrary, unreasonable and/or discriminatory measures
National treatment
Full protection and security, or similar
Indirect expropriation
http://www.iareporter.com/articles/20120611_3 (requires subscription)
http://globalarbitrationreview.com/news/article/30607/czech-republic-topples-forestry-claim/ (requires subscription)
http://www.iareporter.com/articles/20090912_3 (requires subscription)