This Practice Note provides guidance on the obligations imposed on manufacturers, importers and authorised representatives under ecodesign legislation, including the Ecodesign for Energy-Related Products Regulations 2010, SI 2010/2617. These obligations are in respect of conformity assessments, declarations of conformity and product markings. It considers government policy to continue to recognise EU conformity markings for some products, and the Product Safety and Metrology etc. (Amendment) Regulations 2024.