; and (ii) $5,000,000,000 for each such year for addressing backlogged need for assistance from such Fund. (B) Operating Fund For each of fiscal years 2018 through 2027, for allocations of assistance from the Operating Fund, such sums as may be necessary to fully fund for each such year the estimated need of public housing agencies for assistance from such Fund. . 203. Leveraging of other assistance (a) Capital Fund loan guarantees Subsection (d) of section 9 of the United States Housing Act of 1937 ( 42 U.S.C. 1437g(d) ) is amended by adding at the end the following new paragraph: (4) Loan guarantees (A) Authority The Secretary may, upon such terms and conditions as the Secretary may prescribe, guarantee and make commitments to guarantee notes or other obligations issued by public housing agencies for the purposes of financing— (i) the rehabilitation of public housing owned by the agency; (ii) the modernization, through energy efficiency improvements, of public housing units owned by the agency