id,product_id,bank_id,rate_type,rate,tier_floor,tier_ceiling,tenor_months,currency,snapshot_date,valid_from,note,source_document_id
blkb:sparkonto:credit:tier1,blkb:sparkonto,blkb,credit,0.1,,100000.0,,CHF,2026-04-08,,,
blkb:sparkonto:credit:tier2,blkb:sparkonto,blkb,credit,0.025,100000.0,,,CHF,2026-04-08,,,