The appointment is provisional and will be reviewed in six months.
Advanced English Dictionary
+adjective 1 arranged for the present time only and likely to be changed in the future Synonym: TEMPORARY a provisional government + provisional arrangements 2 arranged, but not yet definite: The booking is only provisional. provisionally adverb: The meeting has been provisionally arranged for 3 p.m. next Friday.
Random quote: If one does not know to which port is sailing, no wind is favorable.: Seneca