(50)It is therefore necessary, for regulatory and harmonisation purposes, to ensure that counterparties only use CCPs which comply with the requirements laid down in this Regulation. Those requirements should not prevent Member States from adopting or continuing to apply additional requirements in respect of CCPs established in their territory including certain authorisation requirements under Directive 2006/48/EC. However, imposing such additional requirements should not influence the right of CCPs authorised in other Member States or recognised, in accordance with this Regulation, to provide clearing services to clearing members and their clients established in the Member State introducing additional requirements, since those CCPs are not subject to those additional requirements and do not need to comply with them. By 30 September 2014, ESMA should draft a report on the impact of the application of additional requirements by Member States.