существенно или неоднократно нарушать(you or any person acting on your behalf are in material or repeated breach of any one or more of your Core Obligations | the Company is in material or repeated breach of any of the terms and provisions of this Agreement | the Company is in material or repeated breach of this Agreement Alexander Demidov)
признанный нарушителем(Trade association members can be found to be in breach of competition law by virtue of the association's activities, or could even be found ... Alexander Demidov)