((a)) ** .—** The Commission of Fine Arts shall advise on—

((1)) the location of statues, fountains, and monuments in the public squares, streets, and parks in the District of Columbia;

((2)) the selection of models for statues, fountains, and monuments erected under the authority of the Federal Government;

((3)) the selection of artists to carry out clause (2); and

((4)) questions of art generally when required to do so by the President or a committee of Congress.

((b)) ** .—** The officers required to decide the questions described in subsection (a)(1)–(3) shall request the Commission to provide the advice.

((c)) ** .—** This section does not apply to the Capitol Building and the Library of Congress buildings.