Any part of a project hereunder may be designated as a division of the project by the Secretary if he, after consultation with the Secretary of Agriculture, deems this desirable for orderly and efficient construction or administration. The term “project”, as used in subsection (b) of this section and section
590z–2 of this title, shall be deemed to mean also “division of a project”, designated as provided in this subsection. Any project authorized for construction from appropriations under the head “Water Conservation and Utility Projects” in the Interior Department Appropriation Act, 1940 [ch. 119] (
53 Stat. 685), hereinafter called the 1940 water conservation appropriation, may be designated by the Secretary, upon agreement with the Secretary of Agriculture, a project under this subchapter, and shall thereupon be subject to all the provisions and requirements thereof, except those of subsections (a) and (b) of this section.