1.10.2011 Official Journal of the European Union L 256/1 (Non-legislative acts) DECISIONS COMMISSION IMPLEMENTING DECISION of 15 September 2011 on the common specifications of the register of railway infrastructure (notified under document C(2011) 6383) (Text with EEA relevance) (2011/633/EU) THE EUROPEAN COMMISSION, Having regard to the Treaty on the Functioning of the European Union, Having regard to Directive 2008/57/EC of the European Parliament and of the Council of 17 June 2008 on the inter- operability of the rail system within the Community (!), and in particular Article 35(2) thereof, Whereas: (1) According to Article 35 of Directive 2008/57EC, each Member State should ensure that a register of infra- structure is published and updated. The Commission should adopt specifications on the register on the basis of a draft prepared by the European Railway Agency (the Agency). (2)  Complementary common specifications are needed to make data of the registers easily accessible across several Member States. The development and deployment of a computerised common user interface acting as a virtual register of railway infrastructure at European level should be done together with the setting-up of national registers of infrastructure and the collection of data. Member States, with the help of the Agency, should cooperate to ensure that the registers are operational, contain all the data, are interconnected and provide a common interface to the users. (3)  The measures provided for in this Decision are in accordance with the opinion of the Committee estab- lished in accordance with Article 29(1) of Directive 2008/57EC, () OJ L 191, 18.7.2008, p. 1. HAS ADOPTED THIS DECISION: Article 1 The common specifications for the register of infrastructure as referred to in Article 35 of Directive 2008/57/EC are set out in the Annex to this Decision. Article 2 1. Each Member State shall ensure that its register of infra- structure is computerised and fulfils the requirements of the common specifications referred to in Article 1 not later than 3 years after the entry into force of this Decision. 2. Member States shall ensure that their registers are inter- connected and connected to the common user interface referred to in Article 4 not later than 6 months after that interface is operational. Article 3 The Agency shall publish an application guide relating to the specifications referred to in Article 1 not later than 1 year after the entry into force of this Decision and shall keep it up to date. The application guide shall include a reference to the relevant clauses of the Technical Specifications of Interoperability (TSIs) for each parameter. Article 4 1. The Agency shall draft the detailed specifications, the governance and implementation plan (a) for the development, testing, deployment and operation of a common user interface; and (b) for the interconnection of the national registers. The Agency shall submit them to the Commission not later than 1 year after the entry into force of this Decision.