24.9.2013 Official Journal of the European Union L 252/5 COMMISSION REGULATION (EU) No 912/2013 of 23 September 2013 implementing Regulation (EC) No 452/2008 of the European Parliament and of the Council concerning the production and development of statistics on education and lifelong learning, as regards statistics on education and training systems (Text with EEA relevance) THE EUROPEAN COMMISSION, Having regard to the Treaty on the Functioning of the European Union, Having regard to Regulation (EC) No 452/2008 of the European Parliament and of the Council of 23 April 2008 concerning the production and development of statistics on education and lifelong learning ("), and in particular Article 6(1) thereof, Whereas: (1) Regulation (EC) No 452/2008 establishes a common framework for the systematic production of European statistics in the field of education and lifelong learning in three specified domains to be implemented by stat- istical actions. (2) It is necessary to adopt measures to implement individual statistical actions for the production of statistics on education and training systems as covered by Domain 1 in Regulation (EC) No 452/2008. (3)  When producing and disseminating European statistics on education and training systems, the national and Union statistical authorities should take account of the principles set out in the European Statistics Code of Practice endorsed by the European Statistical System Committee in September 2011. (4)  Implementing measures for the production of statistics on education and training systems should take account of the potential burden on educational institutions and individuals and of the latest agreement between the Unesco Institute for Statistics (UIS), the Organisation for Economic Cooperation and Development (OECD) and the Commission (Eurostat) on concepts, definitions, data processing, periodicity and deadlines for trans- mitting results. (5 The United Nations Educational, Scientific and Cultural Organisation (Unesco) has revised the version of the International ~ Standard  Classification of Education (ISCED) used hitherto (ISCED 1997) with the objective of ensuring consistency with developments in the policies and structures of education and training. (6)  The international comparability of educational statistics requires that the Member States and the Union insti- tutions use classifications of education which are compatible with the revised International Standard Clas- () OJ L 145, 4.6.2008, p. 227. sification of Education ISCED 2011 (hereinafter referred to as ISCED 2011’), as adopted by the Unesco Member States at their 36th General Conference in November 2011. (7)  Data collection from administrative and other sources on student mobility at all cycles of study should be improved, in order to monitor progress and identify challenges, as well as to contribute to evidence-based policy making. (8)  Commission Regulation (EU) No 88/2011 of 2 February 2011 implementing Regulation (EC) No 452/2008 of the European Parliament and of the Council concerning the production and development of statistics on education and lifelong learning, as regards statistics on education and training systems (%) should be repealed. (99  The measures provided for in this Regulation are in accordance with the opinion of the European Statistical System Committee, HAS ADOPTED THIS REGULATION: Atticle 1 Subject matter This Regulation lays down rules for the implementation of Regulation (EC) No 452/2008 as regards the collection, trans- mission and processing of statistical data in Domain 1 on education and training systems. Atticle 2 Subjects covered and their characteristics The selection and specification of subjects to be covered by Domain 1 on education and training systems, as well as the detailed list of their characteristics and breakdowns, shall be as set out in Annex L. Atticle 3 Reference periods and transmission of results 1. Data on enrolments, entrants and personnel shall refer to the school/academic year as defined nationally (year t[t+1). Annual data on enrolments, entrants and personnel shall be transmitted annually to the Commission (Eurostat) by 30 September in year t+2. The first data transmission in September 2014 shall refer to the schoolfacademic year 2012/2013 as defined nationally. () OJ L 29, 3.2.2011, p. 5.