• cost-effectively alleviate the need to upgrade or replace eletricity capacity • support the efficient and secure operation of distribution system. • Transparent, non-discriminatory and market based procedures. • Include all relevant users and TSOs to establish specifications for services procured and where appropriate, standardised products at least at national level. Member States shall provide a regulatory framework to allow and provide incentives to DSO to procure flexibility services, including congestion management in their areas. How? When?