Reference: REGULATION (EC) n. 1893/2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 20 December 2006 establishing the statistical classification of economic activities NACE Revision 2 and amending Regulation (EEC) No 3037/90 and as well as certain EC Regulations on specific statistical domains

Reference: REGULATION (EC) No 450/2003 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 27 February 2003 concerning the labour cost index

Reference: COUNCIL REGULATION (EC) No 1165/98 of 19 May 1998 concerning short-term statistics