https://gupea.ub.gu.se/bitstream/2077/62155/1/gupea_2077_62155_1.pdf
https://www.oecd.org/corruption/anti-bribery/Switzerland-Phase-4-Report-ENG.pdf
https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:52019DC0278&from=EN
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/704057/Policy_Note_-_Exceptions_and_Licences.pdf