On 23 March 2022, the CMA fined Dar Lighting Ltd – supplier of domestic lighting products – 1.5 million pounds for infringing competition law.^[1]Press release of the CMA of 23 March 2022, ‘Dar Lighting fined after ignoring warnings on restricting discounts’. The CMA found that between 2017 and 2019, the company restricted retailers’ freedom to set their own prices online. The company imposed a minimum selling price on retailers, which prevented them from offering discounts beyond a certain level. This practice, known as resale price maintenance, is illegal, because it can lead to shoppers paying more for products. In two separate warning letters, the CMA alerted the company about this. However, the company did not take sufficient steps to comply with the CMA’s warnings.