(a)
Construction
One-half of the costs of construction—
(1)
of each project authorized by title III of this Act,
(2)
of the project authorized by section
652
(j) of this title, and
(3)
allocated to inland navigation for the project authorized by section 844 of this Act,
shall be paid only from amounts appropriated from the general fund of the Treasury. One-half of such costs shall be paid only from amounts appropriated from the Inland Waterways Trust Fund. For purposes of this subsection, the term “construction” shall include planning, designing, engineering, surveying, the acquisition of all lands, easements, and rights-of-way necessary for the project, including lands for disposal of dredged material, and relocations necessary for the project.
(c)
Authorizations from general fund
Any Federal responsibility—
(1)
with respect to a project authorized by title III or section
652
(j) of this title, or
(2)
with respect to the portion of the project authorized by section
844 allocated to inland navigation,
which responsibility is not provided for in subsection (a) of this section shall be paid only from amounts appropriated from the general fund of the Treasury.