; and (2) by adding at the end the following: (c) Treatment of other Federal funds for works of improvement Any funds provided for a work of improvement through any Federal department or agency other than the Department of Agriculture shall be considered to be part of the non-Federal share of the cost of the work of improvement provided by the sponsor of the work of improvement. . 9. Conditions for Federal assistance The Watershed Protection and Flood Prevention Act ( 16 U.S.C. 1001 et seq. ) is amended by inserting after section 6 (as redesignated by section 7(b)) the following: 7. Conditions for Federal assistance (a) In general The Secretary shall require, as a condition of providing Federal assistance for the installation of a work of improvement, that a local organization sponsoring the work of improvement shall— (1) acquire, or, with respect to interests in land to be acquired by condemnation, provide assurances satisfactory to the Secretary that they will acquire, without cost to the Federal Government from funds appropriated for the purposes of this Act (except as provided in subsection (b)), such land, easements, or rights-of-way as will be needed in connection with works of improvement installed with Federal assistance; (2) make arrangements satisfactory to the Secretary for defraying costs of operating and maintaining such works of improvement, in accordance with regulations presented by the Secretary; (3) acquire, or provide assurance that landowners or water users have acquired, such water rights, pursuant to State law, as may be needed in the installation and operation of the work of improvement; (4) obtain agreements to carry out recommended soil conservation measures and proper farm plans from owners of not less than 50 percent of the land situated in the drainage area above each retention reservoir to be installed with Federal assistance