碳 欧盟层面依据：Dir (EU) 2024/825 第 4(1) 条（非葡萄牙国家条款）
By 27 March 2026, Member States shall adopt and publish the measures necessary to comply with this Directive. They shall immediately inform the Commission thereof. They shall apply those measures from 27 September 2026.
成员国须在 2026 年 3 月 27 日前通过并公布为遵守本指令所必需的措施，并立即通知欧委会；上述措施自 2026 年 9 月 27 日起适用。