Survey characteristics
Article 7
1. The survey shall be a sample survey. 2. Member States shall take the necessary measures to ensure that the data they transmit reflect the structure of the population of the statistical units. The survey shall be conducted in such a way as to permit a breakdown of the results at Community level in at least the following categories: (a) economic activities pursuant to NACE Rev. 1.1; and (b) size of the enterprises. 3. Sampling and precision requirements, the sample sizes needed to meet these requirements, and the detailed specifications of the NACE Rev. 1.1 and size categories into which the results can be broken down shall be determined in accordance with the procedure referred to in Article 14(2).