; and (2) within the lateral boundaries of the State. 8. Designation of certain complex airspace (a) Process for designation (1) In general Not later than 18 months after the date of enactment of this Act, the Secretary of Transportation shall establish a process under which a State, local, or Tribal government may submit an application to the Administrator (in a form and manner determined appropriate by the Administrator) for the designation of an area as an area of complex airspace. Such process shall allow for individual or collective designations. (2) Timeframe for decision Under the process established under paragraph (1), the Administrator shall approve or disapprove a complete application for designation within 90 days of receiving the application. (3) Review of application In reviewing an application for a designation under this section, the Administrator may deny the request if the State, local, or Tribal government does not have— (A) the financial resources to carry out the authority to be granted under the designation; or (B) the technological capabilities necessary to carry out the authority granted to the State under the designation. (4) Denial of application If the Administrator denies an application for a designation under this section, the Administrator shall provide the State, local, or Tribal government with— (A) a detailed description of the reasons for the denial