The Paris-Ile-de-France regional chamber of commerce and industry exercises all the powers devolved to any regional chamber of commerce and industry.
The departmental chambers of commerce and industry of Ile-de-France exercise the local missions devolved to any territorial chamber of commerce and industry, in accordance with articles L. 711-1 to L. 711-4, in accordance with the guidelines defined by the general assembly of the Paris-Ile-de-France regional chamber of commerce and industry.