1 . FREEDOM TO PROVIDE SERVICES - SERVICES - CONCEPT - STOCK EXCHANGE TRANSACTIONS - ESTABLISHMENT OF THE PERSON PROVIDING SERVICES IN A MEMBER STATE OTHER THAN THAT OF THE PERSON FOR WHOM THE SERVICES ARE INTENDED ( EEC TREATY , ARTS . 59 , FIRST PARA . AND 60 , FIRST PARA .) 2 . FREEDOM TO PROVIDE SERVICES - RESTRICTIONS - STOCK EXCHANGE TIME-BARGAINS - NATIONAL LAW - PLEA THAT A CONTRACT WAS AN AGREEMENT TO PAY DIFFERENCES - COMMUNITY LAW - COMPATIBILITY - CONDITION ( EEC TREATY , ARTS . 59 AND 60 )