General principles
Article 4
1. The network users shall be responsible to balance their balancing portfolios in order to minimise the need for transmission system operators to undertake balancing actions set out under this Regulation. 2. Balancing rules established in accordance with this Regulation shall reflect genuine system needs, taking into account the resources available to transmission system operators and shall provide incentives for network users to balance their balancing portfolios efficiently. 3. Network users shall have the possibility to enter into a legally binding agreement with a transmission system operator which enables them to submit trade notifications irrespective of whether they have contracted transport capacity or not. 4. In a balancing zone where more than one transmission system operator is active, this Regulation shall apply to all the transmission system operators within that balancing zone. In case the responsibility of keeping their transmission networks in balance has been transferred to an entity, this Regulation shall apply to that entity to the extent defined under the applicable national rules.