(a) In General.—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) Duty To Request Advice.—The officers required to decide the questions described in subsection (a)(1)-(3) shall request the Commission to provide the advice.

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