https://www.iareporter.com/articles/colombia-faces-two-new-investment-treaty-claims-dating-to-late-1990s-banking-crisis/ (requires subscription)
https://globalarbitrationreview.com/article/1166543/colombia-faces-treaty-claims-over-bank-measures (requires subscription)
https://defensajuridica.gov.co/Paginas/dji/index.aspx