Umbrella clause
Arbitrary, unreasonable and/or discriminatory measures
https://www.elconfidencial.com/empresas/2018-05-01/recorte-renovables-arbitraje-triodos-bank-inversores-extranjeros_1557599
https://globalarbitrationreview.com/article/1169149/czech-republic-wins-second-solar-case (requires subscription)
http://www.idae.es/ca/node/13181
http://www.idae.es/ca/file/13787/download?token=0OHe25FK
https://www.iareporter.com/articles/analysis-scc-tribunal-in-triodos-v-spain-upholds-ect-claim-for-breach-of-legitimate-expectations-in-intra-eu-dispute-over-photovoltaic-tariffs/ (requires subscription)
https://www.iareporter.com/articles/analysis-svea-court-of-appeal-sets-aside-triodos-v-spain-award-on-intra-eu-grounds/ (requires subscription)