Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims
National treatment
Most-favoured nation treatment
https://www.iareporter.com/articles/telecoms-investor-initiates-treaty-based-arbitration-against-costa-rica/ (requires subscription)
https://globalarbitrationreview.com/telecoms-investor-takes-costa-rica (requires subscription)
https://ciarglobal.com/empresario-venezolano-demanda-a-costa-rica-por-contrato-de-telecomunicaciones/
https://www.iareporter.com/articles/telecoms-arbitration-against-costa-rica-is-discontinued/ (requires subscription)