++++ 1 . OFFICIALS - RETIREMENT BY INSTITUTION - PROCEDURE - PLURALITY OF CONNECTED STEPS - APPLICATION AGAINST THE MEASURE RETIRING AN OFFICIAL - POSSIBILITY OF CONTESTING THE LEGALITY OF EARLIER STEPS ( STAFF REGULATIONS OF OFFICIALS OF THE ECSC, ARTICLE 91; STAFF REGULATIONS OF OFFICIALS OF THE EEC AND EAEC, ARTICLE 53 ) 2 . OFFICIALS - RETIREMENT BY INSTITUTION - WRITTEN FORM OBLIGATORY ( STAFF REGULATIONS OF OFFICIALS OF THE EEC AND EAEC, ARTICLE 53 ) 3 . OFFICIALS - RETIREMENT BY INSTITUTION - OBLIGATION OF THE PERSON CONCERNED TO CO-OPERATE - POWERS OF THE ADMINISTRATION IF THE PERSON CONCERNED FAILS TO ACT ( STAFF REGULATIONS OF OFFICIALS OF THE ECSC, ARTICLE 91; STAFF REGULATIONS OF OFFICIALS OF THE EEC AND EAEC, ARTICLE 53, ANNEX II, ARTICLE 7 )