Article 21 6.

Member States shall require IORPs to have at least two persons who effectively run the IORP. Member States may allow that only one person effectively runs the IORP, on the basis of a reasoned assessment conducted by the competent authorities. That assessment shall take into account the role of social partners in the overall management of the IORP, as well as the size, nature, scale and complexity of the activities of the IORP.