Italian plate rerollers declared European Union Carbon Border Adjustment Mechanism default emission values 'unworkable' as 2026 implementation approaches. Default costs range from €22 per metric ton for Brazilian slabs to €541 for Indonesian imports, alongside annual mark-ups reaching 30% by 2028. Italian importers prioritize securing verified actual emissions data from suppliers to avoid punitive defaults. Geopolitical tensions, regulatory capacity gaps, & confidentiality concerns threaten verification processes. CBAM's deferred payment structure requires certificate purchases in 2027 for 2026 imports, creating cash-flow uncertainties & insolvency risks for import-dependent Italian steel sector.