建設業に属する事業を行う者の指定副産物に係る再生資源の利用の促進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 recycled-resource utilization promotion standards for construction-sector designated by-products (excavated soil, concrete rubble, asphalt concrete, timber), requiring tracking, information-sharing, and reuse planning—a form of product stewardship and circular-economy incentive for construction waste diversion.