It was also contended that the regulations provide for the acquisi-
tion of apples and pears on terms that are not just. The argument
is based, I apprehend, upon the American doctrine that the mere
existence of a state of war does not suspend or change the operation
of the guarantees and limitations of the American Constitution upon
the power of Congress. Thus the 5th amendment of the Constitution
guarantees that no person shall be deprived of life, liberty, or property
without due process of law, and that no private property shall be
taken for public use without just compensation (Hamilton v. Kentucky
Distilleries & Warehouse Co. (1); United States v. Cohen Grocery Co.
(2) ) unless, perhaps, an actual war emergency or military necessity so
requires : Cf. Ruppert v. Caffey (3), m arguendo ; Wills, Constitutional
Law, (1936), pp. 445, 446; Willoughby on The Constitution, 2nd ed.
(1929), vol. 3, sec. 1033, pp. 1568-1570. Constitutional guarantees
such as are contained in the 5th amendment have no counterpart
in the Australian Constitution. But it is provided by sec. 51 (xxxi.)
of the Australian Constitution that the Parliament shall, subject to
the Constitution, have power to make laws for the peace, order,
and good government of the Commonwealth with respect to " the
acquisition of property on just terms from . . . any person for
any purpose in respect of which the Parliament has power to make
laws." One of those powers, sec. 51 (vi.), is with respect to the naval
and military defence of the Commonwealth and the several States.
According to Isaacs J. in Farey v. Burvett (4), war " gives by the
very nature of the circumstances a paramount authority to the
defence power." There is nothing in the Constitution, I think, that
warrants that statement. 'There is no hierarchy in the powers,
with the power as to defence on the top " (Farey v. Burvett (5), per
Higgins J.). Hach power contained in sec. 51 is an independent and
separate power, and its content must be found in the words in which
it is expressed, subject nevertheless to the ordinary rules of inter-
pretation. An express power to acquire property on just terms for
any purpose in respect of which Parliament has power to make laws
indicates a legislative intent that property shall not be acquired
by the Commonwealth for any purpose in respect of which it has
power to make laws unless on those terms. Actual war operations
and military necessity may require further consideration, but,
putting that aside, the provisions of the Constitution, in my opinion,
preclude the Commonwealth from acquiring any property from any
person otherwise than on just terms.