
https://curia.europa.eu/jcms/upload/docs/application/pdf/2021-06/cp210091es.pdf

http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32014R0600&from=EN

https://www.occrp.org/en/daily/12149-denmark-will-not-give-aid-to-companies-registered-in-tax-havens