scope:

Purpose of This Notice. This notice outlines procedures for issuing air traffic control clearances, releases, and departure restrictions and defines duty responsibilities of entities involved in metering the National Airspace System (NAS). TMA is the technology and methods used for adjusting demand/capacity imbalances at select core airports, departure fixes, and points across the NAS. This change provides specific directions to facilities as to where to publish display requirements for TMA metering lists, and/or data block information.