++++ 1 . EEC Treaty - Scope ratione materiae - Economic activities - Participation by members of a religious community in the commercial activities of that community - Genuine and effective work together with a quid pro quo - Included ( EEC Treaty, Art . 2 ) 2 . Freedom to provide services - Provisions of the Treaty - Field of application - Transfer of principal residence to another Member State in order to provide or receive services there - Excluded ( EEC Treaty, Arts 59 and 60 )