 The main requirement resulting from this change is that anyone who owns or run a food business in the UK must have a documented Food Safety Management System, which is based on the principles of Hazard Analysis Critical Control Point HACCP.In early 2019, as part of US-UK negotiations to arrive at a trade deal prior to Brexit, the Trump administration asked the UK to eliminate its existing ban on chlorinated chicken, genetically modified plants and hormone-injected beef, products that the US would like to sell in the UK.The US food system is regulated by numerous federal, state and local officials.