++++ 1 . Officials - Invalidity - Invalidity Committee - Collegial nature of its work - Scope - Keeping of Minutes - Not an essential condition ( Staff Regulations, Annex II, Art . 7 ) 2 . Officials - Actions - Act adversely affecting an official - Definition - Letter notifying the conclusions of the Invalidity Committee - Not included ( Staff Regulations, Arts 90 and 91; Annex II, Art . 9, second paragraph ) 3 . Officials - Invalidity - Competent authority to determine the state of invalidity of a member of the temporary staff - Invalidity Committee - Lack of authority of the appointing authority ( Conditions of Employment of Other Servants, Art . 33(2 ) ) 4 . Officials - Sick-leave - Proof of sickness - Production of a medical certificate not giving reasons - Inadequate - Production of a certificate containing a diagnosis contradicted by the conclusions of the Invalidity Committee and by a visit by the medical officer - Rejection of the certificate ( Staff Regulations, Art . 59 ) 5 . Officials - Member of the temporary staff - Dismissal - Termination of a contract of unlimited duration before the notification to the person concerned of the conclusions of the Invalidity Committee - Lawfulness ( Conditions of Employment of Other Servants, Arts 47 and 48 )