BUCKLEY v. VALEO
Per Curiam
several offices in such a manner as that each may
be a check on the other-that the private interest
of every individual may be a sentinel over the public rights. These inventions of prudence cannot be
less requisite in the distribution of the supreme
powers of the State." '
This Court has not hesitated to enforce the principle
of separation of powers embodied in the Constitution
when its application has proved necessary for the
decisions of cases or controversies properly before it.
The Court has held that executive or administrative
duties of a nonjudicial nature may not be imposed on
judges holding office under Art. III of the Constitution.
United States v. Ferreira,13 How. 40 (1852); Hayburn's
Case, 2 Dall. 409 (1792). The Court has held that the
President may not execute and exercise legislative authority belonging only to Congress. Youngstown Sheet &
Tube Co. v. Sawyer, supra. In the course of its opinion
in that case, the Court said:
"In the framework of our Constitution, the President's power to see that the laws are faithfully
executed refutes the idea that he is to be a lawmaker. The Constitution limits his functions in
the lawmaking process to the recommending of laws
he thinks wise and the vetoing of laws he thinks bad.
And the Constitution is neither silent nor equivocal
about who shall make laws which the President is to
execute. The first section of the first article says
that 'All legislative Powers herein granted shall be
vested in a Congress of the United States ... '
343 U. S., at 587-588.
161 The Federalist No. 51, pp. 323-324 (G.P. Putnam's Sons ed.
1908).
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