https://openeurope.org.uk/today/blog/what-would-a-no-deal-after-the-transition-period-look-like/
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/899991/200713_BPDG_-_Border_Operating_Model_FINAL_1320_edit.pdf
https://ecfr.eu/wp-content/uploads/2022/02/Tough-trade-The-hidden-costs-of-economic-coercion_Hackenbroich.pdf