Most-favoured nation treatment
Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims
Indirect expropriation
https://globalarbitrationreview.com/article/miner-hits-mexico-nafta-claim-over-vat-rebates (requires subscription)
https://www.iareporter.com/articles/arbitrators-are-revealed-in-nafta-legacy-mining-arbitration-against-mexico/ (requires subscription)
https://icsid.worldbank.org/cases/case-database/case-detail?CaseNo=UNCT/22/1