id,product_id,bank_id,rate_type,rate,tier_floor,tier_ceiling,tenor_months,currency,snapshot_date,valid_from,note,source_document_id
lukb:sparkonto:credit:tier1,lukb:sparkonto,lukb,credit,0.02,,50000.0,,CHF,2026-04-07,2026-01-01,,
lukb:sparkonto:credit:tier2,lukb:sparkonto,lukb,credit,0.03,50000.0,,,CHF,2026-04-07,2026-01-01,,