++++ 1 . Officials - Remuneration - Expatriation allowance - Object ( Staff Regulations, Annex VII, Art . 4(1 ) ) 2 . Community law - Principles - Protection of legitimate expectations - Conditions 3 . Officials - Principles - Protection of legitimate expectations - Conditions - Request for confirmation of entitlement made by an official - Silence of the administration - Undertaking given by the administration contrary to the Staff Regulations - Circumstances not giving rise to legitimate expectations 4 . Officials - Remuneration - Expatriation allowance - Conditions for granting - Adoption of new criteria - Subsequent refusal of allowance to an official - Maintenance of vested rights to the allowance of officials recruited prior to the modification - Discrimination - None ( Staff Regulations, Annex VII, Art . 4(1 ) ) 5 . Acts of the institutions - Withdrawal - Conditions