(a) In general
There are authorized to be appropriated to the Smithsonian Institution to carry out this subchapter,[1] including the planning, design, construction, and operation of the Museum established under section 80t–1 of this title, such sums as may be necessary for fiscal year 2020 and each succeeding fiscal year.
(b) Availability
Amounts appropriated pursuant to the authorization under this section shall remain available until expended.