Article 11 — Certification of external calculation tools

1. External calculation tools shall be certified by a conformity assessment body referred to in Article 14. 2. External calculation tool developers shall submit an application to a conformity assessment body as referred to in Article 14 that shall assess the compliance of the external calculation tool with the requirements laid down in Articles 3 to 9. In the case of a positive assessment, the conformity assessment body shall issue a certificate of the conformity of the external calculation tool with this Regulation. The certificate shall be valid for two years. In the case of a negative assessment, the conformity assessment body shall provide the reasons for the negative assessment to the applicant. 3. The conformity assessment body concerned shall maintain an updated list of the external calculation tools that it has certified and of those for which it has restricted, suspended or withdrawn certification. It shall make that list publicly available on its website and shall communicate the address of that website to the Commission without delay. 4. The Commission shall publish on its official website an easily accessible list of all external calculation tools that have been certified in accordance with paragraphs 1 and 2, as well as a link to the websites referred in paragraph 3. 5. The Commission shall adopt implementing acts laying down rules on the certification of external calculation tools and on the related certificate of conformity, including rules on the restriction, renewal, suspension and withdrawal of certification. Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 18(2).