I think I might have found a PLAN!!! (Sort of)

[WaitroseTrolley]

Found this - it answers some questions, though not all.

researchbriefings.files.parliament.uk/documents/CBP-7632/CBP-7632.pdf

Also, here's the process of withdrawing from the EU:

www.gov.uk/government/uploads/system/uploads/attachment_data/file/503908/54538_EU_Series_No2_Accessible.pdf