This Practice Note provides practical guidance on applying for a countervailing investigation with the UK’s Trade Remedies Authority (TRA). It provides guidance on who may apply for a countervailing investigation, what to do before applying, how to obtain and submit an application, what information must be contained in the application, how to prepare a non-confidential version of the application, guidance on how to complete the application form and how the application will be assessed. Who can apply? An application for an investigation may only be brought by or on behalf of the UK industry. The UK industry is defined as either: • all the producers in the UK of the like product, or • all those UK producers whose collective output of the like product constitutes a major proportion of the total UK product of those products In addition, the UK industry must be able to demonstrate, in the application itself, the level of UK industry support for or opposition to the application, including: • the total volume and value of production in the