; and services as authorized by 5 U.S.C. 3109 , $376,070,000, to remain available until expended, of which not less than $33,000,000 shall be for implementing title VIII of the Communications Act of 1934 ( 47 U.S.C. 641 et seq.), as added by the Broadband DATA Act ( Public Law 116–130 ): Provided , That $376,070,000 of offsetting collections shall be assessed and collected pursuant to section 9 of title I of the Communications Act of 1934, shall be retained and used for necessary expenses, and shall remain available until expended: Provided further , That the sum herein appropriated shall be reduced as such offsetting collections are received during fiscal year 2021 so as to result in a final fiscal year 2021 appropriation estimated at $0: Provided further , That, notwithstanding 47 U.S.C. 309(j)(8)(B) , proceeds from the use of a competitive bidding system that may be retained and made available for obligation shall not exceed $134,495,000 for fiscal year 2021: Provided further , That, of the amount appropriated under this heading, not less than $11,105,700 shall be for the salaries and expenses of the Office of Inspector General. Administrative provisions—federal communications commission 510. Section 302 of the Universal Service Antideficiency Temporary Suspension Act is amended by striking “December 31, 2020” each place it appears and inserting “December 31, 2021”. 511. None of the funds appropriated by this Act may be used by the Federal Communications Commission to modify, amend, or change its rules or regulations for universal service support payments to implement the February 27, 2004, recommendations of the Federal-State Joint Board on Universal Service regarding single connection or primary line restrictions on universal service support payments. 512. None of the funds made available by this Act may be used to finalize, implement, administer, or enforce the proposed rule entitled “Universal Service Contribution Methodology” published by the Federal Communications Commission in the Federal Register on