By Chris Morris
Reality Check correspondent, BBC News

Publishedduration10 NovembershareSharenocloseShare pagelinkCopy linkAbout sharingRelated Topics

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The post-Brexit trade talks between the UK and the EU are going down to the wire, and need to make progress in the next couple of weeks if a deal is to emerge before the end of the year.

But they were never going to be easy.

The UK left the EU on 31 January and entered a transition period until 31 December, with all the rules, regulations and budget payments staying the same. From the beginning of next year, though, things are going to change come what may.

The talks have been overshadowed by the coronavirus crisis, especially at the beginning when they had to take place via video link. But that's not the only reason why big disagreements remain after months of negotiations.

It's mainly a matter of substance.