Article 1 
A list of statistical units (hereinafter referred to as ‘statistical units of the production system’) as set out in the Annex hereto together with the criteria used, the definitions of the units and explanatory notes is hereby established.
Article 2 
The definitions of the statistical units of the production system shall be used by the Member States and the Commission to identify the units with a view to collecting, transmitting, publishing and analysing statistical data on the production system, particularly those connected with NACE Rev. 1.
Article 3 
From 1 January 1994, for the objectives referred to in Article 2, Member States shall use the definitions referred to in Article 1 for statistics relating to situations subsequent to that date.
Article 4 
1. During a transitional period running from 1 January 1994 to 31 December 1995, a Member State may, for statistics relating to that period, use statistical units of the production system other than those provided for in Article 1. In such cases the statistical data to be sent to the Commission during the transitional period shall be adapted and transmitted to conform as closely as possible to the Annex. 2. The Commission may, in exceptional circumstances, at the request of a Member State and for duly substantiated technical or practical reasons, extend the transitional period until no later than 31 December 1997.
Article 5 
After the end of the transitional period referred to in Article 4, the Commission may, in accordance with the management procedure referred to in Article 7(2), authorise a Member State to use other statistical units of the production system.
Article 6 
Measures for the implementation of this Regulation, including those designed to adapt to economic and technical progress concerning in particular the statistical units of the production system, the criteria used and the definitions specified in the Annex, shall be adopted by the Commission. Those measures, designed to amend non-essential elements of this Regulation, shall be adopted in accordance with the regulatory procedure with scrutiny referred to in Article 7(3).
Article 7 
1. The Commission shall be assisted by the Statistical Programme Committee. 2. Where reference is made to this paragraph, Articles 4 and 7 of Decision 1999/468/EC shall apply, having regard to the provisions of Article 8 thereof. The period provided for in Article 4(3) of Decision 1999/468/EC shall be set at three months. 3. Where reference is made to this paragraph, Article 5a(1) to (4) and Article 7 of Decision 1999/468/EC shall apply, having regard to the provisions of Article 8 thereof.
Article 8 
The statistical units of the production system referred to in a Community act governing Community statistics shall be interpreted in accordance with the concepts and terminology of this Regulation.
Article 9 
This Regulation shall enter into force on the 20th day following its publication in the Official Journal of the European Communities .