Performance requirements
Indirect expropriation
https://www.iareporter.com/arbitration-cases/theodore-einarsson-harold-einarsson-and-russel-einarsson-v-canada/ (requires subscription)
https://globalarbitrationreview.com/canadian-state-lawyers-survive-challenge-in-nafta-case (requires subscription)
https://icsid.worldbank.org/cases/case-database/case-detail?CaseNo=UNCT/20/6