Indirect expropriation
Umbrella clause
http://www.baltic-course.com/eng/legislation/?doc=126176
https://staurholding.no/investments
https://www.nccl.lv/en/members-2/members/61
http://www.iareporter.com/articles/latvian-round-up-one-new-arbitration-at-icsid-and-updates-on-five-other-latvian-investment-treaty-disputes/ (requires subscription)
http://globalarbitrationreview.com/article/1078506/disappointed-airport-investor-claims-against-latvia (requires subscription)
https://www.iareporter.com/articles/eric-schwartz-tapped-to-chair-norway-latvia-bit-arbitration/ (requires subscription)
https://www.iareporter.com/articles/analysis-in-recent-staur-v-latvia-award-arbitrators-see-limited-state-involvement-in-cancellation-of-airport-expansion-project-and-dismiss-all-claims-on-the-merits/ (requires subscription)
https://globalarbitrationreview.com/latvia-defeats-icsid-claim-norwegian-investors (requires subscription)