<p>The notification obligations of the Tobacco and Related Products Regulations 2016 require producers of E-cigarette products to carry out testing of their products prior to the submission of their notification. This data is submitted as required by the legislation and reviewed by the Medicines and Healthcare products Regulatory Agency (MHRA) for compliance with the regulations. Where the data provided is compliant with the regulations, the MHRA is required to publish the product on its website. Once published the product can be legally supplied to the United Kingdom. Post market non-compliance is enforced by the Trading Standards authorities.</p>