for program management, construction management, planning studies, feasibility studies, architectural services, preliminary engineering, design, engineering, surveying, mapping, and related services entered into using any of such funds be awarded in the same manner as a contract for architectural and engineering services is awarded under— (A) chapter 11 of title 40, United States Code, or (B) an equivalent qualifications-based requirement prescribed by the relevant State. (2) No proprietary interest A contract awarded in accordance with paragraph (1) shall not be considered to confer a proprietary interest upon the United States. (f) Administrative provisions Amounts distributed from the Trust Fund for a program or activity under subsection (c) shall— (1) be in addition to other amounts appropriated for the program or activity, and (2) remain available until expended. . (c) Clerical amendments (1) The table of subchapters for chapter 38 of such Code is amended by adding at the end thereof the following new item: Subchapter E. Tax on carbon dioxide content of certain substances . (2) The table of sections for subchapter A of chapter 98 of such Code is amended by adding at the end the following: Sec. 9512. Build America Trust Fund. . (d) Effective date The amendments made by this section shall apply to taxable years beginning after December 31, 2018. 3. Energy Refund Program (a) In general The Secretary of the Treasury, in consultation with the Secretary of Health and Human Services, the Commissioner of Social Security, and the Secretary of Agriculture, shall formulate and administer the program provided for in this section, which shall be known as the Energy Refund Program , and under which eligible households are provided an energy refund. (b) Eligibility of households To receive energy refund Each eligible household shall be entitled to receive monthly cash payments under this section in an amount equal to the monthly energy refund amount determined under subsection (d). (c) Eligibility (1) Eligible households