Latest from the European Commission: "Preparing for the withdrawal of the United Kingdom from the European Union on 30 March 2019".
Here.
Download: Seven Things Businesses In The EU27 Need To Know In order to prepare for Brexit.
Here.
"If your activity relies on certificates, licenses or authorisations issued by UK authorities or by bodies based in the UK – or held by someone established in the UK – these may no longer be valid in the EU post-Brexit. You may need to transfer or seek new ones issued by an EU27-based body or authority. This is the case, in particular, for certificates, licenses and authorisations issued for goods (for example in the automotive sector, or the medical devices sector) and for services (for instance in the transport, broadcasting, or the financial sector). You should now take all the necessary steps to transfer certificates, licences or authorisations issued in the UK to the EU27, or obtain new ones."