The European Commission published the list of National Competent Authorities administering the Carbon Border Adjustment Mechanism across EU member states. Importers must request CBAM Registry access through the authority in their establishment jurisdiction, a procedural prerequisite for compliance alongside reporting requirements & proper mechanism functioning. This publication complements recently finalised benchmarks & default values, collectively providing regulatory infrastructure necessary for January 2026 definitive phase implementation. National Competent Authorities serve as primary interfaces between European frameworks & individual importers, handling registry administration, verification, monitoring, & guidance functions.