
https://www.icij.org/news/2024/07/us-germany-key-holdouts-as-g20-nations-push-for-a-plan-to-tax-worlds-billionaires/

https://openmarketsinstitute.org/wp-content/uploads/2020/04/OMI-House-Letter-4.17.20.pdf

https://feps-europe.eu/wp-content/uploads/2023/11/PP23_WEB.pdf