Performance requirements
http://www.international.gc.ca/trade-agreements-accords-commerciaux/topics-domaines/disp-diff/mobil.aspx?lang=eng
http://www.state.gov/s/l/c29743.htm
http://www.iareporter.com/articles/20120601 (requires subscription)
http://www.iareporter.com/articles/20150304 (requires subscription)
http://globalarbitrationreview.com/article/1035317/canada-fails-to-annul-nafta-award (requires subscription)
http://www.iareporter.com/articles/russia-round-up-greek-investor-files-bit-claim-naftogaz-puts-russia-on-notice-of-claim-pugachev-arbitration-sees-set-back-in-england/ (requires subscription)