密閉形蓄電池の製造等の事業を行う者及び密閉形蓄電池使用製品の製造等の事業を行う者の使用済密閉形蓄電池の自主回収及び再資源化に関する判断の基準となるべき事項を定める省令

Ministerial ordinance establishing mandatory producer responsibility for sealed battery manufacturers and battery-containing product manufacturers to collect and recycle used sealed batteries (lead, alkaline, lithium), with transparency/reporting requirements—a core EPR mechanism under Japan's Resource Efficiency Promotion Law.