commiss decis septemb aid institut govern french republ purchas aircraft french text authent eec commiss european econom commun regard treati establish european econom commun subparagraph articl thereof decre januari time amend lai condit grant subsidi purchas aircraft aid exist entri forc treati review accord articl treati amend decre april glider decre retain condit grant state reimburs aid glider built franc total amount subsidi purchas glider price craft tax duti includ depend type glider categori purchas subsidi accessori equip grant regard origin good minor import compar subsidi grant respect glider aid encourag user recogn associ purchas glider built franc prefer manufactur member state appropri french budget purpos tend distort competit favour french product glider rise complaint commiss part member state aid fall articl treati provis articl treati appli case french govern ask provis articl treati appli suppli inform requir commiss purpos discriminatori natur aid institut decre januari amend render incompat common market adopt decis articl french republ decemb measur abolish aid purchas glider institut decre januari amend decre april amend aid grant purchas term glider built member state glider built franc articl decis address french republ brussel septemb commiss presid walter hallstein