1.Save where the option referred to in Article 1(2) has been exercised, Member States with a minimum planted area of 1 000 ha of each individual crop referred to in points (a) to (l) of Article 1(1) shall produce, during 2012 and every 5 years thereafter, the data referred to in Annex I.
2.Member States with a minimum planted area of 500 ha of the crop referred to in point (m) of Article 1(1) shall produce, during 2015 and every 5 years thereafter, the data referred to in Annex II.
3.In order to take into account economic and technical developments, the Commission shall be empowered to adopt delegated acts in accordance with Article 11 concerning the amendment of:
the breakdowns of species by groups, density classes and age classes set out in Annex I, and
the variables/characteristics, size classes, degree of specialisation and vine varieties set out in Annex II,
except in respect of the optional nature of the required information.
In exercising this power, the Commission shall ensure that the delegated acts do not impose a significant additional administrative burden on the Member States and on the respondents.