; and (8) given the severe crisis at the southwest border, there is no justification for paying private landowners to store wall construction materials rather than using those materials to secure our border as soon as possible. 3. Deployment of existing construction materials (a) Plan Not later than 15 days after the date of the enactment of this Act, the Secretary of Defense shall submit to Congress a plan to utilize, transfer, or donate to States on the southern border of the United States all existing excess border wall construction materials, including bollards, for the express purpose of constructing a permanent physical barrier to stop illicit human and vehicle traffic along the border of the United States with Mexico. (b) Execution of plan Not later than 15 days after submitting to Congress the plan required under subsection (a), the Secretary shall work with the Defense Logistics Agency to execute that plan until the Department of Defense is no longer incurring any costs to maintain, store, or protect the materials specified under subsection (a). (c) Requirements of requesting States (1) In general Any State requesting border wall construction materials made available under this section must certify, in writing, that the materials it accepts will be exclusively used for the construction of a permanent physical barrier to stop illicit human and vehicle traffic along the border of the United States with Mexico. (2) Penalties (A) In general If, by the date that is two years after receipt of materials accepted under this section, a State does not use all such materials for the construction of a permanent physical barrier to stop illicit human and vehicle traffic along the border of the United States with Mexico, the State shall pay to the United States Government an amount equal to the original purchase price of the materials that have not been used for such purpose. (B) No waiver The penalty under subparagraph (A) may not be waived. (d) Impact of delay If the Secretary of Defense delays in submitting the