Rural Housing Loans which (1) are guaranteed by the Secretary under section 517(a)(2) ^[1] of the Housing Act of 1949 [42 U.S.C. 1487(a)(2)], (2) are made by other lenders approved by the Secretary to provide dwellings in rural areas for the applicants’ own use, and (3) bear interest and other charges at rates not above the maximum rates prescribed by the Secretary of Housing and Urban Development for loans made by private lenders for similar purposes and guaranteed by the Secretary of Housing and Urban Development under the National Housing Act [12 U.S.C. 1701 et seq.] or superseding legislation shall not be subject to sections 501(c) and 502(b)(3) of the Housing Act of 1949 [42 U.S.C. 1471(c) and 1472(b)(3)].