; and (2) the strategy proposed under subsection (b)(1) with respect to the first report submitted under this subsection and updates to the strategy proposed under such subsection with respect to reports submitted thereafter. (d) Authorization of appropriations There is authorized to be appropriated to the Assistant Secretary to carry out this section $50,000,000 for fiscal year 2020. Such amounts are authorized to remain available until expended. (e) Definitions In this section: (1) Covered electromagnetic spectrum The term covered electromagnetic spectrum means electromagnetic spectrum allocated for exclusive or primary use by Federal entities. (2) Federal entity The term Federal entity has the meaning given such term in section 113(l). . 3. Federal Communications Commission report on expanding spectrum sharing techniques (a) Report Not later than 12 months after the first assignment of Priority Access Licenses through the system of competitive bidding, after an opportunity for notice and comment, the Federal Communications Commission shall submit to the Committee on Energy and Commerce of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a report that assesses and provides recommendations for expanding upon and improving spectrum sharing techniques developed for use in the 3.5 gigahertz band and that includes the following considerations: (1) How to promote an ecosystem of devices employing such sharing techniques. (2) How to ensure that any Federal protection zones and corresponding technical rules and power levels are no more protective than necessary. (3) The applicability of such sharing techniques to frequencies between 3100 megahertz and 3550 megahertz, inclusive, and frequencies between 7125 megahertz and 8400 megahertz, inclusive, to the extent any portion of such frequencies cannot be cleared in a reasonable amount of time. (b) Rule of construction Nothing in subsection (a)(3) may be construed to require that every spectrum sharing technique