Article 21 4

4.   Where the national measure referred to in paragraph 1 of this Article is considered justified and the non-compliance of the product is attributed to shortcomings in the technical specifications referred to in point (b) of Article 20(5), the Commission shall, without delay, adopt implementing acts amending or repealing the technical specification concerned. Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 27(2).