; and (2) the Administrator waives the requirements of section 44711 (including any related implementing regulations) to the extent the Administrator determines such waiver is consistent with aviation safety. (g) Collaborative research and development agreements The Administrator may use the transaction authority under section 106(l)(6), in coordination with the Center of Excellence for Unmanned Aircraft Systems, to enter into collaborative research and development agreements or to direct research related to unmanned aircraft systems, including at any test range designated under subsection (a). (h) Use of Center of Excellence for Unmanned Aircraft Systems The Administrator, in carrying out research necessary to implement the consensus safety standards accepted under section 44805, shall, to the maximum extent practicable, leverage the research and testing capacity and capabilities of the Center of Excellence for Unmanned Aircraft Systems and the test ranges designated under subsection (a). (i) Clarification Nothing in this section shall be construed as authorizing the research, development, testing, evaluation, or any other use of a system or technology for the detection or mitigation of unmanned aircraft systems (commonly referred to as counter-UAS ) at any test range designated under subsection (a). (j) Termination The program under this section shall terminate on September 30, 2028. . (b) Conforming amendment Section 44801(10) of title 49, United States Code, is amended by striking any of the 6 test ranges established by the Administrator under section 332(c) of the FAA Modernization and Reform Act of 2012 ( 49 U.S.C. 40101 note), as in effect on the day before the date of enactment of the FAA Reauthorization Act of 2018, and any public entity authorized by the Federal Aviation Administration as an unmanned aircraft system flight test center before January 1, 2009 and inserting the test ranges designated by the Administrator under section 44803 . 814. Authority regarding protection of certain facilities and