for a fiscal year after fiscal year 2019 is subject to the availability of appropriations or funds for that purpose for such later fiscal year. 122. Multiyear procurement authority for E–2D Advanced Hawkeye (AHE) aircraft program (a) Authority for multiyear procurement Subject to section 2306b of title 10, United States Code, the Secretary of the Navy may enter into one or more multiyear contracts, beginning with the fiscal year 2019 program year, for the procurement of E–2D Advanced Hawkeye (AHE) aircraft. Notwithstanding subsection (k) of such section 2306b, the Secretary of Defense may enter into a multiyear contract under this section for up to five years. (b) Authority for advance procurement and economic order quantity The Secretary may enter into one or more contracts for advance procurement associated with the E–2D AHE (including economic order quantity) for which authorization to enter into a multiyear procurement contract is provided under subsection (a). (c) Cost analysis requirement The Secretary may not exercise the authority provided under subsection (a) or (b) until the Secretary of Defense submits to the congressional defense committees the report and confirmation required under subparagraphs (A) and (B), respectively, of section 2306b(i)(2) of title 10, United States Code. (d) Condition for out-year contract payments A contract entered into under subsection (a) shall provide that any obligation of the United States to make a payment under the contract for a fiscal year after fiscal year 2019 is subject to the availability of appropriations for that purpose for such later fiscal year. 123. Extension of limitation on use of sole-source shipbuilding contracts for certain vessels Section 124 of the National Defense Authorization Act for Fiscal Year 2017 ( Public Law 114–328 ), as amended by section 127 of the National Defense Authorization Act for Fiscal Year 2018 ( Public Law 115–91 ), is further amended by striking or fiscal year 2018 and inserting , fiscal year 2018, or fiscal year 2019 . 124.