1. Member States shall ensure that each AIF managed within the scope of this Directive shall have a single AIFM, which shall be responsible for ensuring compliance with this Directive. The AIFM shall be either:
(a) an external manager, which is the legal person appointed by the AIF or on behalf of the AIF and which through this appointment is responsible for managing the AIF (external AIFM); or
(b) where the legal form of the AIF permits an internal management and where the AIF's governing body chooses not to appoint an external AIFM, the AIF itself, which shall then be authorised as AIFM.
2. In cases where an external AIFM is unable to ensure compliance with requirements of this Directive for which an AIF or another entity on its behalf is responsible, it shall immediately inform the competent authorities of its home Member State and, if applicable, the competent authorities of the EU AIF concerned. The competent authorities of the home Member State of the AIFM shall require the AIFM
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