Cost to Complete Estimate adopted in Appalachian Regional Commission Resolution Number 736, and confirmed as each Appalachian State’s relative share of the estimated remaining need to complete the ADHS, adjusted to exclude corridors that such States have no current plans to complete, as reported in the 2013 Appalachian Development Highway System Completion Report, unless such States have modified and assigned a higher priority for completion of an ADHS corridor, as reported in the 2020 ADHS Future Outlook: Provided further , That the Secretary shall adjust apportionments made under the preceding proviso so that no Appalachian State shall be apportioned an amount in excess of 25 percent of the amount made available for construction of the Appalachian Development Highway System under this heading: Provided further , That the Secretary shall consult with the Appalachian Regional Commission in making adjustments under the preceding two provisos. Administrative provisions—federal highway administration 120. (a) For fiscal year 2021, the Secretary of Transportation shall— (1) not distribute from the obligation limitation for Federal-aid highways— (A) amounts authorized for administrative expenses and programs by section 104(a) of title 23, United States Code