https://www.d-kart.de/en/blog/2020/05/11/ultra-vires/
https://www.brookings.edu/research/the-ironic-politics-of-regulatory-reform/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=61763339
https://www.icij.org/investigations/pandora-papers/german-state-buys-pandora-papers-data-invites-authorities-to-investigate/
https://securingdemocracy.gmfus.org/wp-content/uploads/2020/08/ASD-Covert-Foreign-Money.pdf