The European Commission's competition department and the Ministry of Commerce (Mofcom) of the People's Republic of China have signed best practices for cooperation on reviewing mergers which will create a dedicated framework to strengthen cooperation and coordination between the Commission and China's merger review authority, Mofcom. The guidance will facilitate communication throughout the entire merger review procedure on issues of procedure and substance, including the definition of relevant markets, theories of harm, competitive impact assessments and remedies. The signing of the guidance document reflects the ambition of enhanced cooperation on competition matters between the EU and China.