{"research_date":"2026-09-14","status":"enacted_future_not_active_in_default_calculations","transitions":[{"transition_id":"V5-OCT-ST-BR-A001","product_id":"BR-A001","effective_from":"2026-10-01","tax_family":"ICMS","old_path":"goods_retail_st_mva","new_path":"goods_retail_non_st","source_ids":["V5-S006"],"tax_rate_change_implied":false,"required_work":"Create separately validated October snapshot; change STmechanism, not ICMSrate or historicaloutputs; addressstock credits if modelingtransitionstock."},{"transition_id":"V5-OCT-ST-BR-A004","product_id":"BR-A004","effective_from":"2026-10-01","tax_family":"ICMS","old_path":"goods_retail_st_mva","new_path":"goods_retail_non_st","source_ids":["V5-S006"],"tax_rate_change_implied":false,"required_work":"Create separately validated October snapshot; change STmechanism, not ICMSrate or historicaloutputs; addressstock credits if modelingtransitionstock."}]}