Unless a person has an appropriate permit issued by the Administration, the person may not, in a noise zone established under this part: Establish or construct any new structure; Make any new use of any existing structure or land; or Substantially alter any existing structure or use of land. Notwithstanding subsection (a) of this section, the Administration may not require any person to obtain a permit to construct an addition to a residential structure in a noise zone established under this part, if: The resultant improved structure retains the same number of family dwelling units; and The addition is not made eligible for participation in any State funded noise assistance program established under Subtitle 12 of this title. The Administration may not grant a permit if the proposed action would: Enlarge the size of or create an impacted land use area; or Violate local land use and zoning laws. Unless a person has an appropriate permit issued by the Administration or a variance granted by the Board of Airport Zoning Appeals, a political subdivision may not approve a final subdivision plan or issue any permit that is prerequisite to the construction of improvements in a noise zone established under this subtitle.