1. Data quality requirements and standard quality reports on education and training systems shall be as set out in Annex II.
2. Member States shall transmit to the Commission (Eurostat) the standard quality report in line with the requirements set out in Annex II every year. The standard quality reports shall be transmitted together with the ISCED integrated mapping of national programmes and qualifications using the template supplied by the Commission (Eurostat). The first report shall refer to the 2014 data collection year (school/academic year 2012/2013). The quality report concerning the reference periods laid down in Article 3 shall be transmitted to the Commission by 31 January in year t+3.
3. Member States shall acquire the necessary data using a combination of different sources such as sample surveys, administrative data sources and other data sources.
4. Member States shall provide the Commission (Eurostat) with information on the methods and the quality of the data from the sources used other than sample surveys and administrative data sources as referred to in paragraph 3.