1.For the purpose of Article 3, point (b), and Article 4(2), point (d), the provisions governing Tier 2 instruments and Other Instruments shall comply with the procedures and timing laid down in paragraphs 2 to 14 of this Article for calculating the Common Equity Tier 1 capital ratio and the amounts to be written down, written up or converted. The provisions governing Additional Tier 1 instruments shall comply with the procedures laid down in paragraph 9 and paragraph 13, point (c) of this Article in respect of amounts to be written down, written up or converted.