; (2) on the date that is 90 days after the entry of the proposed procedure into the IFP Gateway, the NIITE Departure Southbound Transition and the HUSSH Departure Southbound Transition have not completed Order JO7100.41 Phase One Preliminary Activities; (3) on the date that is 180 days after the date of entry of the proposed procedure into the IFP Gateway, the NIITE Departure Southbound Transition and the HUSSH Departure Southbound Transition have not completed Order JO7100.41 Phase Two Design Activities; and (4) on the date that is 2 years after the date of entry into the IFP Gateway, the NIITE Departure Southbound Transition and the HUSSH Departure Southbound Transition are not fully implemented by publication and use of the Southbound Transitions. 4. Definitions In this Act, the following definitions apply: (1) Administrator The term Administrator means the Administrator of the FAA. (2) AEDT The term AEDT means Aviation Environmental Design Tool. (3) Appropriate congressional committees The term appropriate congressional committees means the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives. (4) Core working group The term core working group means a group of individuals listed in the PBN process that, during the Preliminary Activities— (A) documents and records baseline data used for analysis; (B) identifies and documents expected benefits for the project; (C) designs or reviews conceptual procedures or routes in TARGETS; (D) reviews applicable PBN-related knowledge databases and historical documents