++++ 1 . OFFICIALS OF THE ECSC - RESIGNATION - LEAVE ON PERSONAL GROUNDS - RIGHT TO RESIGN ( STAFF REGULATIONS OF OFFICIALS OF THE ECSC, ARTICLE 41 ) 2 . OFFICIALS OF THE ECSC - TRANSFER TO THE SERVICE OF ANOTHER EUROPEAN INSTITUTION - OPERATIONAL UNITY OF THE COMMUNITIES - ALLOWANCE ON TERMINATION OF SERVICE - ALLOWANCE ON ENTRY INTO SERVICE - NOT AGGREGABLE ( STAFF REGULATIONS OF OFFICIALS OF THE ECSC, GENERAL STAFF REGULATIONS, ARTICLE 12 ( A ), ARTICLE 62 ( C )) 3 . OFFICIALS OF THE ECSC - ALLOWANCE ON TERMINATION OF SERVICE - ALLOWANCE ON ENTRY INTO SERVICE - CONCEPT ( STAFF REGULATIONS OF OFFICIALS OF THE ECSC, GENERAL STAFF REGULATIONS, ARTICLE 12 ( A ), ARTICLE 62 ( C )) 4 . OFFICIALS OF THE ECSC - TERMINATION OF SERVICE - TRANSFER TO THE SERVICE OF ANOTHER EUROPEAN INSTITUTION - PROVIDENT FUND - COMPULSORY REIMBURSEMENT OF AMOUNTS PAID ( STAFF REGULATIONS OF OFFICIALS OF THE ECSC, GENERAL STAFF REGULATIONS, ARTICLE 12 ( A ) AND ( B )) 5 . OFFICIALS OF THE ECSC - OBLIGATION OF THE ADMINISTRATION - DELAYED EXECUTION - DEFAULT INTEREST - DEMAND WITHOUT JUSTIFICATION