7. Mine operators or Member States shall be responsible for the compliance with the requirements referred to in paragraphs 2 to 6 of this Article as regards closed underground coal mines. Member States shall be responsible for the compliance with the requirements referred to in paragraphs 2 to 6 of this Article as regards abandoned underground coal mines. In the case of alternative uses of abandoned underground coal mines, the permit holder referred to in Article 26(3) shall be responsible for the compliance with the requirements referred to in paragraphs 2, 3 and 6 of this Article.