Full protection and security, or similar
Umbrella clause
Arbitrary, unreasonable and/or discriminatory measures
http://globalarbitrationreview.com/news/article/34160/salini-takes-argentina/ (requires subscription)
https://www.iareporter.com/articles/in-new-award-arbitrators-uphold-jurisdiction-over-bit-claim-against-argentina-finding-that-the-claimant-has-made-a-prima-facie-case-that-the-respondents-failure-to-pay-monies-under-contract/ (requires subscription)
https://globalarbitrationreview.com/article/argentina-liable-in-treaty-claim-over-customs-contract (requires subscription)
https://globalarbitrationreview.com/article/argentina-liable-in-treaty-claim-over-customs-contract (requires subscription)
https://www.iareporter.com/articles/investor-reports-win-in-treaty-claim-against-argentina/ (requires subscription)
https://www.italaw.com/sites/default/files/case-documents/italaw182218.pdf