(a) The Regional Administrator will not award section 105 funds to an interstate or intermunicipal agency:

(1) That does not provide assurance that it can develop a comprehensive plan for the air quality control region which includes representation of appropriate State, interstate, local, Tribal, and international interests; and

(2) Without consulting with the appropriate official designated by the Governor or Governors of the State or States affected or the appropriate official of any affected Indian Tribe or Tribes.

(b) The Regional Administrator will not disapprove an application for or terminate or annul a section 105 grant without prior notice and opportunity for a public hearing in the affected State or States.