No L 49/26 Official Journal of the European Communities 21. 2. 89 (Acts whose publication is not obligatory) COUNCIL COUNCIL DIRECTIVE of 13 February 1989 on the harmonization of the compilation of gross national product at market prices (89/130/EEC, Euratom) ' THE -COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, Having regard to the Treaty establishing the European Atomic Energy Community, Having regard to Council Decision No 88/376/EEC/ Euratom - of 24 June 1988 on the system of the Communities’ own resources (*), and in pamcular Article 8 (2) thereof, Having regard to the proposal from the Commission, Héving' regard to the opinion of the European - Parliament (3), Whereas the creation of an additional own resource for the Communities, based on the gross national product at market prices (hereinafter referred to as GNPmp) of the Member States, makes it necessary to reinforce. the comparability and reliability of this aggregate ; Whereas the completion of the internal market will increase the need for internationally comparable data on aggregate GNPmp and.its components; whereas. these data are also an important analytical tool for the coordi- nation of economic policies; Whereas GNPmp data must be -comparable in concept and in practice and representation of the Member States’ economies ; Whereas GNPmp can be comparable in concept only if . the relevant definitions and accounting rules- of the European System of Integrated Economic Accounts {ESA) are complied .with ; () OJ No L 185, 15. 7. 1988, p. 24. OJ No C 187, 18. 7. 1988, p. 142. Whereas comparability of GNPmp in practice depends on the assessment procedures used and the basic data available; whereas improved GNPmp  coverage presupposes the development of statistical bases and assessment -procedures ; ‘Whereas a procedure should be set up to verify and assess the comparability - and representativity of GNPmp; whereas, to this end, a Committee should be set up within which Member States and the Commission shall cooperate closely, HAS ADOPTED THIS DIRECTIVE: TITLE 1 Definition of gross national product at market prices Article 1 GNPmp shall be defined in a mann‘er consistent with the European System of Integrated Economic Accounts (ESA) in force. GNPmp shall be calculated by adding to gross domestic product -at market prices (GDPmp, ESA code: N 1) the compensation of employees (R 10) and the property and entrepreneurial income (R 40) received from the rest.of the world less the corresponding flows paid to the rest of the world.. Article 2 GDPmp represents the final result of productive activity by resident production units. GDPmp may be presented by reference to the ESA from three points of view.