
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/800532/JOINT_COMMUNIQUE%CC%81_OF_BIIGC.pdf

https://ukandeu.ac.uk/explainers/eu-switzerland-negotiations-agreement/?mc_cid=1b270f9c56&mc_eid=815b1928ec

https://www.elysee.fr/admin/upload/default/0001/03/0090173c1bc9aaa87f21995ae3b88a55f1fda3d0.pdf