硬質塩化ビニル製の管又は管継手の製造業に属する事業を行う者の使用済硬質塩化ビニル製の管又は管継手の利用に関する判断の基準となるべき事項を定める省令

Ministerial ordinance under the Resource Efficiency Promotion Law mandating rigid PVC pipe/fitting manufacturers to increase recycled-content ratios from post-consumer waste, establish collection/processing infrastructure, develop sorting/purification technology, and file annual utilization plans—a product stewardship and recycled-content mandate for construction materials.