; and . 4. Built To Last Stamp (a) In general In order to afford the public a direct and tangible way to contribute to funding for shoreline risk and climate change adaptation, the United States Postal Service shall issue a semipostal (referred to in this section as the Built to Last Stamp ) in accordance with subsection (b). (b) Requirements The provisions of section 416 of title 39, United States Code, shall apply as practicable with respect to the Built to Last Stamp, subject to the following: (1) Design The Built to Last Stamp shall depict such design as the Postal Service, in consultation with the Secretary, considers appropriate. (2) Disposition of proceeds Subject to subsection (d)(3) of that section, the amounts becoming available from the sale of the Built to Last Stamp shall be deposited in the Built to Last Stamp Fund under subsection (c) of this section. (c) Built to Last Stamp Fund (1) Establishment There is established in the Treasury of the United States a fund, to be known as the Built to Last Stamp Fund. (2) Assets The Built to Last Stamp Fund shall consist of the following: (A) Amounts deposited under subsection (b)(2). (B) Such amounts as are appropriated or otherwise made available to the fund. (3) Availability Amounts in the Built to Last Stamp Fund shall remain available to the Secretary to carry out sections 5 and 6 of this Act until expended. 5. Prize competitions (a) In general The Secretary may carry out a program to award prizes competitively under section 24 of the Stevenson-Wydler Technology Innovation Act of 1980 ( 15 U.S.C. 3719 ), for the purpose described in subsection (b). (b) Purpose The purpose described in this subsection is to stimulate innovation to advance coastal risk reduction and resilience measures as follows: (1) Natural features, including dunes, reefs, and wetlands. (2) Nature-based features, including beach nourishment, dune restoration, wetland and other coastal habitat restoration, and living shoreline construction. (3) Nonstructural measures, including flood