Article 1 
1. A Community contribution shall be granted to Portugal to enable it to set up a data-processing system in the Instituto Nacional de Intervenção e Garantia Agrícola and links other paying and monitoring agencies. 2. The data-processing system referred to in paragraph 1 must permit the collection, processing, monitoring and transmission to the Commission of data on expenditure financed by the EAGGF Guarantee Section in Portugal. It must relate in particular to the sound management and the effectiveness of checks and the prevention of irregularities and fraud which may be committed to the detriment of the EAGGF. 3. The Community financial contribution may not exceed 70 % of the expenditure actually incurred in the establishment and commissioning of the data-processing system referred to in paragraph 1 and must not exceed ECU 4 million in total.
Article 2 
1. The Community financial contribution may be the subject of advance instalments. 2. For the purposes of applying Article 1 (3), the ECU 4 million shall be converted into Portuguese escudos by applying the exchange rate in force on the penultimate working day of the month preceding that during which the balance is paid, and published in the ‘C’ series of the Official Journal of the European Communities .
Article 3 
Detailed rules for implementing this Regulation shall be adopted as the need arises in accordance with the procedure laid down in Article 13 of Regulation (EEC) No 729/70.
Article 4 
This Regulation shall enter into force on the day of its publication in the Official Journal of the European Communities . This Regulation shall be binding in its entirety and directly applicable in all Member States. Done at Luxembourg, 29 October 1990. For the Council The President G. RUFFOLO This Regulation shall be binding in its entirety and directly applicable in all Member States. Done at Luxembourg, 29 October 1990. For the Council The President G. RUFFOLO For the Council The President G. RUFFOLO