General CEN CENELEC Guide 31 “Competition law for participants in CEN activities” (GEN – 694.00) 13 May 2016 1 min read Home › Policy Updates › CEN CENELEC Guide 31 “Competition law for participants in CEN activities” (GEN – 694.00) CEN and CENELEC have published this guide to avoid breaches of competition law. This content is available to Eurovent members only. Please log in or register to access this content.