require or demand information from any person involved in the provision of, and contribution to, a benchmark, including any service provider to which functions, services or activities in the provision of a benchmark have been outsourced as provided for in Article 10, as well as their principals, and if necessary, summon and question any such person with a view to obtaining information;
pour les indices de référence de matières premières, demander des informations aux contributeurs opérant sur les marchés au comptant concernés, le cas échéant, selon des formats et des rapports de transactions standard, et accéder directement aux systèmes des opérateurs;