; 126 Stat. 1169), as amended by section 109(a) of the Department of Veterans Affairs Expiring Authorities Act of 2017 ( Public Law 115–62 ; 131 Stat. 1162), is amended by striking September 30, 2018 and inserting September 30, 2019 . B Benefits matters 121. Making permanent authority fortemporary expansion of eligibility for specially adapted housing assistance for certain veterans with disabilities causing difficulty ambulating Section 2101(a)(4) is amended by striking (A) Except and all that follows through (B) In each of fiscal years 2014 through 2018, the Secretary and inserting In any fiscal year, the Secretary . 122. Extension of authority for specially adapted housing assistive technology grant program Section 2108(g) is amended by striking September 30, 2018 and inserting September 30, 2020 . 123. Making permanent authority to guarantee payment of principal and interest on certificates or other securities Section 3720(h) is amended— (1) by striking paragraph (2); and (2) by striking (1) . 124. Making permanent authority for calculating net value of real property at time of foreclosure Section 3732(c) is amended by striking paragraph (11). 125. Extension of authority relating to vendee loans Section 3733(a)(7) is amended— (1) in the matter preceding subparagraph (A), by striking September 30, 2018 and inserting September 30, 2019 ; and (2) in subparagraph (C), by striking September 30, 2018, and inserting September 30, 2019, . 126. Making permanent authority to provide rehabilitation and vocational benefits to members of the Armed Forces with severe injuries or illnesses Section 1631(b) of the Wounded Warrior Act (title XVI of Public Law 110–181 ; 10 U.S.C. 1071 note) is amended— (1) by striking paragraph (2); and (2) by striking (1) In general .— . 127. Extension of authority to enter into agreement with the National Academy of Sciences regarding associations between diseases and exposure to dioxin and other chemical compounds in herbicides Section 3(i) of the Agent Orange Act of 1991 ( Public Law 102–4