The Airspace Use Plan (AUP) is an ASM message of NOTAM status notifying the daily decision of an Airspace Management Cell (AMC) on the temporary allocation of the airspace within its jurisdiction for a specific time period, by means of a standard message format. The updated Airspace Use Plan (UUP) is an ASM message of NOTAM status issued by an AMC to update and supersede previous AUP/UUP information.