The president of the Conseil national des sapeurs-pompiers volontaires and, in the cases provided for in the third paragraph of article 44 of law no. 2004-811 of 13 August 2004 on the modernisation of civil security, the prefect of the Paris police force, the mayor of Marseille, the commander of the Paris fire brigade and the commander of the Marseille marine fire battalion, or their representatives, attend meetings of the national conference in an advisory capacity.