Border Protocol and Delivery Group have been doing some excellent webinars lately, in preparation for 2022 

If you haven’t managed to catch any of them here is the link to the one from the 3 November, 2021
https://www.youtube.com/watch?v=CnC87yA6Ogc

The link to the Government Page is Organisations that trade with the EU - webinars calendar - GOV.UK (www.gov.uk)  where you will be able to access all previous webinars and book any future ones.