5. The Board’s composition shall ensure integrity, and, except in the case of a Eurosystem SIPS, an appropriate mix of technical skills, knowledge and experience both of SIPS and of the financial market in general, allowing the Board to fulfil its roles and responsibilities. The composition shall also take into account the allocation of competences in accordance with national law. Except for Eurosystem SIPS, and if permitted by national law, the Board shall include non-executive board members, including at least one independent director.