1 . AIDS GRANTED BY STATES - EFFECT ON TRADE BETWEEN MEMBER STATES - CRITERIA ( EEC TREATY , ART . 92 ) 2 . AIDS GRANTED BY STATES - PROHIBITION - DEROGATIONS - AIDS WHICH MAY BE CONSIDERED AS COMPATIBLE WITH THE COMMON MARKET - COMMISSION ' S DISCRETION - REFERENCE TO THE COMMUNITY CONTEXT ( EEC TREATY , ART . 92 ( 3 ))