Indirect expropriation
https://www.asx.com.au/asxpdf/20171110/pdf/43p3tbzmrgdhk4.pdf
https://www.asx.com.au/asxpdf/20180125/pdf/43r1qnycb38qpf.pdf
http://www.iareporter.com/articles/a-second-gold-mine-investor-puts-thailand-on-notice-of-arbitration-claim-this-time-under-australian-free-trade-agreement/ (requires subscription)
http://www.iareporter.com/articles/australian-investor-makes-good-on-bit-arbitration-threat-against-thailand-and-takes-its-political-risk-insurer-to-court/ (requires subscription)
http://globalarbitrationreview.com/article/1149645/thailand-faces-treaty-claim-over-mining-ban (requires subscription)