1. Each distribution system operator shall be responsible for ensuring the long-term ability of the system to meet reasonable demands for the distribution of gas, and for operating, maintain? ing and developing under economic conditions a secure, reliable and efficient system in its area, with due regard for the environ? ment and energy efficiency.
2. In any event, the distribution system operator shall not dis? criminate between system users or classes of system users, par? ticularly in favour of its related undertakings.
3. Each distribution system operator shall provide any other distribution, transmission, LNG, and/or storage system operator with sufficient information to ensure that the transport and stor? age of natural gas takes place in a manner compatible with the secure and efficient operation of the interconnected system.
4. Each distribution system operator shall provide system users with the information they need for efficient access to, including use of, the system.
5. Where a distribution system operator is responsible for bal? ancing the distribution system, rules adopted by it for that pur? pose shall be objective, transparent and non-discriminatory, including rules for the charging of system users for energy imbal? ance. Terms and conditions, including rules and tariffs, for the provision of such services by distribution system operators shall be established pursuant to a methodology compatible with Article 41(6) in a non-discriminatory and cost-reflective way and shall be published.
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