2. By way of derogation from paragraph 1, a Member State may exempt small and medium-sized investment firms from the requirements set out in that paragraph if such an exemption does not threaten the stability of the financial system of that Member State.
The decision on the application of such an exemption shall be fully reasoned, shall include an explanation as to why the exemption does not threaten the stability of the financial system of the Member State and shall contain the exact definition of small and medium-sized investment firms which are exempt.
Member States which decide to apply such an exemption shall notify the Commission, the ESRB, EBA and the competent authorities of the Member States concerned accordingly.
3. For the purpose of paragraph 2, the Member State shall designate the authority in charge of the application of this Article. That authority shall be the competent authority or the designated authority.
4. For the purpose of paragraph 2, investment firms shall be categorised as small and medium-sized in accordance with Recommendation 2003/361/EC.