Indirect expropriation
https://www.iareporter.com/articles/us-investor-in-peruvian-refinery-launches-icsid-arbitration/ (requires subscription)
https://globalarbitrationreview.com/us-gas-investor-brings-claim-against-peru (requires subscription)
https://globalarbitrationreview.com/peru-faces-highway-and-energy-claims (requires subscription)
https://gestion.pe/economia/empresas/maple-gas-mef-90-dias-resolver-impasse-acudir-ciadi-234253-noticia/?ref=gesr
https://elcomercio.pe/economia/peru/maple-niega-haber-incumplido-pago-regalias-noticia-521833-noticia/?ref=ecr
https://www.iareporter.com/articles/icsid-arbitration-over-peruvian-refinery-is-discontinued-following-withdrawal-of-claimants-counsel-peru-is-awarded-costs-but-tribunal-finds-it-lacks-power-to-discontinue-case-with-prejudice/ (requires subscription)