++++ 1. Agriculture - Common agricultural policy - Financing by the EAGGF - System of monthly advances paid to the Member States - Establishment of irregularities in the application by national bodies of the mechanisms of a common organization of the market - Commission' s power to reduce the amounts paid by way of advance (Regulation No 729/70 of the Council, as amended by Regulations No 3183/87 and No 2048/88) 2. Community law - Principles - Right to a fair hearing - Observance of that right when the Commission adopts temporary decisions connected with the management of the EAGGF - Limits