; and (2) the carrying out of a space debris mitigation plan of a space object for which a certification was issued under chapter 801. 80305. Limitation on certain agency supervision (a) In general Not later than 1 year after the date of enactment of the American Space Commerce Free Enterprise Act of 2017 , no other agency shall have the authority to authorize, place conditions on, or supervise the operation of space objects required to be certified under chapter 801 or space-based remote sensing systems required to be permitted under chapter 802 except— (1) the Department of Transportation with respect to launch or reentry vehicle operations licensed under chapter 509; and (2) the Federal Communications Commission with respect to space stations licensed under the Communications Act of 1934 ( 47 U.S.C. 151 et seq.). (b) Agreement limitations Nothing in this section shall be construed to prevent an agency from including additional terms, conditions, limitations, or requirements beyond those required in this subtitle in a contract or other agreement with— (1) the holder of a certification under chapter 801 for the operation of the applicable space object