
https://www.riksbank.se/en-gb/press-and-published/notices-and-press-releases/debate-articles/payments-in-the-future-and-legal-protection-for-the-swedish-krona/

https://ec.europa.eu/info/sites/info/files/annual-management-and-performance-report-2018.pdf

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/680185/Governor_letter_to_CX_-_Feb_2018.pdf