1. As regards aircraft referred to in point (a) of Article 2(1), other than unmanned aircraft, and their engines, propellers and parts, compliance with Article 9 shall be ensured in accordance with Articles 11 and 12 and Article 15(1).
2. As regards aircraft referred to in point (b)(i) of Article 2(1), other than unmanned aircraft, and their engines, propellers, parts and non-installed equipment, compliance with Article 9 shall be ensured in accordance with Articles 11 to 16.