For the purposes of applying the provisions of article L. 4022-5, the national board for periodic certification shall carry out its duties in accordance with the following procedures:
1° Decisions taken and opinions issued by the national board for periodic certification shall be made by the collegiate body;
2° The professional commissions are responsible for implementing the scientific guidelines set by the collegiate body. They are also consulted, as necessary, by the President of the National Council for Periodic Certification to examine decisions and opinions for the professions and specialities that concern them. They may submit for the opinion of the collegiate body any proposal made by one of their representatives in connection with the preparation of the reference systems provided for in article L. 4022-7.