in the 2013 Appalachian Development Highway System Completion Report, unless those States have modified and assigned a higher priority for completion of an Appalachian development highway system corridor, as reported in the 2020 Appalachian Development Highway System 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 30 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: Provided further, That the Federal share of the costs for which an expenditure is made for construction of the Appalachian development highway system under this heading shall be up to 100 percent