Full protection and security, or similar
National treatment
Most-favoured nation treatment
Umbrella clause
Indirect expropriation
http://globalarbitrationreview.com/news/article/30755/von-wobeser-drivers-seat-costa-rica-claim/ (requires subscription)
http://www.iareporter.com/articles/20120726 (requires subscription)
https://www.iareporter.com/articles/costa-rica-secures-dismissal-of-spanish-investors-claims-on-admissibility-grounds/ (requires subscription)
https://www.iareporter.com/articles/in-new-award-arbitrators-disagree-whether-claims-should-be-nixed-due-to-overlap-with-local-cases-dissenter-critiques-party-appointments-and-challenge-arises-when-tribunal-secretary-joins-respondent/ (requires subscription)
http://globalarbitrationreview.com/article/1080558/costa-rica-wins-at-icsid-and-defends-dr-cafta-award (requires subscription)