; and (2) submit to the Administrator, in such form and manner as specified by the Administrator, the results of the review, including recommendations to further enable private research and development operations at the test sites that contribute to the Federal Aviation Administration’s safe integration of unmanned aircraft systems into the national airspace system, on a quarterly basis until the program terminates. (f) Testing The Secretary may authorize an operator of a test site described in subsection (a) to administer testing requirements established by the Administrator for unmanned aircraft systems operations. (g) Collaborative research and development agreements The Administrator may use the other transaction authority under section 106(l)(6) and enter into collaborative research and development agreements, to direct research related to unmanned aircraft systems, including at any test site under subsection (a), and in coordination with the Center of Excellence for Unmanned Aircraft Systems. (h) Use of center of excellence for unmanned aircraft systems The Administrator, in carrying out research necessary to establish the consensus safety standards requirements in section 44803 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 sites. . (b) Technical and conforming amendments (1) Table of contents The table of contents for chapter 448, as added by section 2121 of this Act, is further amended by inserting after the item relating to section 44801 the following: 44802. Unmanned aircraft system test sites. . (2) Pilot projects Section 332 of the FAA Modernization and Reform Act of 2012 ( 49 U.S.C. 40101 note) is amended by striking subsection (c). 2123. Small unmanned aircraft safety standards (a) In general Chapter 448, as amended by section 2122 of this Act, is further amended by inserting after section 44802 the following: 44803. Small unmanned aircraft safety standards (a) Consensus