https://globalarbitrationreview.com/denial-of-justice/el-salvador-faces-denial-of-justice-claim (requires subscription)
https://www.iareporter.com/arbitration-cases/hsbc-v-el-salvador/ (requires subscription)
https://www.iareporter.com/articles/hsbc-makes-good-on-earlier-threat-to-initiate-icsid-arbitration-against-el-salvador/ (requires subscription)
https://ciarglobal.com/hsbc-presenta-demanda-de-arbitraje-contra-el-salvador-en-ciadi/
https://www.businesswire.com/news/home/20210818005795/en/HSBC-initiates-legal-proceedings-against-El-Salvador-claiming-Supreme-Court-ruling-was-a-denial-of-justice-and-breach-of-El-Salvador-United-Kingdom-Bilateral-Investment-Treaty
https://www.reuters.com/business/hsbc-initiates-legal-proceedings-against-el-salvador-claiming-breach-treaty-with-2021-08-18/
https://www.iareporter.com/articles/el-salvador-challenges-entire-icsid-tribunal-in-banking-dispute-shortly-after-rule-415-decision-was-issued/ (requires subscription)