++++ 1 . OFFICIALS - DISPUTES WITH THE ADMINISTRATION - APPEAL - TIME LIMIT - COMMENCEMENT - MEASURE AFFECTING A SPECIFIC INDIVIDUAL - NOTIFICATION TO THE PERSON CONCERNED - CONCEPT ( STAFF REGULATIONS, ART . 91 ) 2 . OFFICIALS - RECOVERY OF UNDUE PAYMENT - NO DUE REASON FOR PAYMENT - AWARENESS OF THE RECIPIENT - OBJECTION - EVIDENCE - ABSENCE - EXAMINATION OF THE CIRCUMSTANCES OF THE PAYMENT ( STAFF REGULATIONS, ART . 85 )