; (3) a summary of waivers or exemptions identified under subsection (b)(8), along with any recommendations for changes to the processes for obtaining such waivers or exemptions; and (4) recommendations for improving the Program, including whether to extend or make the Program permanent. (f) Development and promulgation of Department of Defense guidance Not later than 180 days after the date of the enactment of this Act, the Secretary shall issue guidance implementing the Program. (g) Sunset The authority under this section shall terminate on the date that is three years after the date of the enactment of this Act. (h) Definitions In this section: (1) Contested logistics environment The term contested logistics environment has the meaning given such term in section 2926 of title 10, United States Code. (2) Covered nations The term covered nation means— (A) Australia; (B) Canada; (C) New Zealand; (D) the United Kingdom of Great Britain and Northern Ireland; or (E) other nations as designated as a covered nation for the purposes of this Program by the Secretary. (3) Covered product support provider The term covered product support provider means— (A) a product support provider that includes an entity within the government of a covered nation; (B) a private sector product support provider; or (C) a product support integrator domiciled in the United States or a covered nation. (4) Product support; product support integrator