Introduction This Practice Note is for lawyers - in-house or in practice - advising UK-established businesses whose products, supply chains, customers, corporate group, financing or marketing have any connection to the EU. Post-Brexit, a UK business is not subject to EU law simply because it is UK-established. But a wide range of EU environmental and sustainability measures are not written by reference to where a business is established at all: they are written by reference to what enters the EU market, who a business is marketing to, or how large its EU footprint is. These approaches can mean that through extra-territorial reach, a UK business can be caught, or commercially pulled in, without ever intending to be subject to EU law. The practical challenge for advisers is that these measures do not all work the same way, and the difference matters for the advice given. Some turn on what happens to a physical product - it is placed on the EU market, imported into the EU, or exported from it - regardless of where