; and (II) in subparagraph (D)(i), by inserting (determined without regard to 50 percent of the value of any asset acquired under subsection (c)(14)) before the period at the end; and (iv) in paragraph (5)(A), by inserting or (c)(14) after (c)(8) . (2) Technical and conforming amendment Section 206 of the Bank Export Services Act ( 12 U.S.C. 635a–4 ) is amended, in the matter preceding paragraph (1), by striking section 4(c)(14)(F)(i) and inserting section 4(c)(15)(F)(i) . (3) Sunset The amendments made under this section shall not apply after the date that is 30 years after the date of enactment of this Act unless Congress enacts a joint resolution of approval. 4. Underwriting standards for residential solar Section 1335 of the Federal Housing Enterprises Financial Safety and Soundness Act of 1992 ( 12 U.S.C. 4565(b) ) is amended— (1) in subsection (b)— (A) paragraph (3), in the matter following subparagraph (B), by striking and at the end; (B) in paragraph (4), by striking the period at the end and inserting ; and ; and (C) by adding at the end the following: (5) develop appropriate and prudent underwriting guidelines relating to financing for residential solar energy systems, as defined in section 2(a) of the National Housing Act ( 12 U.S.C. 1703(a) ), to facilitate the secondary market for mortgages on housing with such systems for low- and moderate-income households, including systems not owned by the mortgagor but subject to lease, power purchase, or other contractual terms. ; and (2) by adding at the end the following: (e) Report to Congress (1) Review (A) In general The Director shall conduct a review to identify ways to increase the financing for residential solar energy system property improvements in underserved markets, including examining current obstacles to such financing. (B) Consultation In conducting the review under subparagraph (A), the Director shall solicit the views of, and consult with— (i) Federal agencies supporting housing finance and financial markets