OFFICIALS - PENSIONS - PENSION RIGHTS ACQUIRED BEFORE ENTRY INTO THE SERVICE OF THE COMMUNITIES - TRANSFER TO THE COMMUNITY SCHEME - DETAILED RULES - GRADE OR ESTABLISHMENT TO BE TAKEN INTO ACCOUNT - OFFICIAL ENGAGED BEFORE THE ENTRY INTO FORCE OF THE STAFF REGULATIONS ( EEC TREATY , ART . 246 ( 3 ); STAFF REGULATIONS , ART . 102 AND ANNEX VIII , ARTS 11 ( 2 ) AND 48 )