Translate the following English sentence to French:
"As we are required to do by the regulation, we are adhering rigorously to the criterion of prohibiting mergers where they would lead to the creation or consolidation of a dominant position."
Nous nous tenons rigoureusement, comme le règlement nous le demande, au critère d'interdiction des concentrations si celles-ci impliquent la création ou le renforcement d'une position dominante.