The public establishments in the network of chambers of commerce and industry may issue certificates to certify the origin provided for in the European Union Customs Code, the Geneva Convention on the simplification of customs formalities of 3 November 1923 and the Kyoto International Convention on the simplification and harmonisation of customs procedures of 18 June 1974.
Each year the public establishments in the network of chambers of commerce and industry are called upon to submit proposals to the minister responsible for their supervision with a view to the appointment of deputies to expert commissioners for customs matters.