1 . OFFICIALS - APPLICATION TO THE COURT - PRIOR COMPLAINT THROUGH OFFICIAL CHANNELS - TIME-LIMITS - LATE RECEIPT OF AN UNREGISTERED LETTER BY THE OFFICIAL TO WHOM IT IS ADDRESSED - ONUS OF PROOF OF THE DELAY ( STAFF REGULATIONS OF OFFICIALS , ART . 90 ( 2 )) 2 . OFFICIALS - DECISION ADVERSELY AFFECTING AN OFFICIAL - DUTY TO STATE GROUNDS ON WHICH BASED - REMEDYING FAILURE TO STATE GROUNDS DURING PROCEDURE BEFORE THE COURT - NOT PERMISSIBLE ( STAFF REGULATIONS OF OFFICIALS , ART . 25 ) 3 . OFFICIALS - RECRUITMENT - COMPETITION - SELECTION BOARD - REFUSAL TO ADMIT TO COMPETITION - DUTY TO STATE GROUNDS ON WHICH BASED - SCOPE - COMPETITION WITH MANY ENTRANTS ( STAFF REGULATIONS OF OFFICIALS , ANNEX III , ART . 5 )