REPORTS RELATED TO SPECTRUM AUCTIONS.

SEC. 512. [47 U.S.C. 309a] REPORTS RELATED TO SPECTRUM AUCTIONS. (a) Estimate of Upcoming Auctions.—Section 309(j) of the Communications Act of 1934 (47 U.S.C. 309(j)) is amended by adding at the end the following: “(18) Estimate of upcoming auctions.— “(A) Not later than September 30, 2018, and annually thereafter, the Commission shall make publicly available an estimate of what systems of competitive bidding authorized under this subsection may be initiated during the upcoming 12-month period. “(B) The estimate under subparagraph (A) shall, to the extent possible, identify the bands of frequencies the Commission expects to be included in each such system of competitive bidding.” . (b) Auction Expenditure Justification Report.—Not later than April 1, 2019, and annually thereafter, the Commission shall provide to the appropriate committees of Congress a report containing a detailed justification for the use of proceeds retained by the Commission under section 309(j)(8)(B) of the Communications Act of 1934 (47 U.S.C. 309(j)(8)(B)) for the costs of developing and implementing the program required by section 309(j) of that Act. (c) Definition.—For purposes of this section, the term “appropriate committees of Congress” means— (1) the Committee on Commerce, Science, and Transportation of the Senate; (2) the Committee on Appropriations of the Senate; (3) the Committee on Energy and Commerce of the House of Representatives; and (4) the Committee on Appropriations of the House of Representatives.