; (iv) carpeting; (v) rugs, curtains, or upholstered furniture; (vi) sunscreen; (vii) shoes and clothing for which treatment with a perfluoroalkyl substance or polyfluoroalkyl substance is not necessary for an essential function; and (viii) such other items as may be determined by the Secretary. (B) The term perfluoroalkyl substance means a man-made chemical of which all of the carbon atoms are fully fluorinated carbon atoms. (C) The term polyfluoroalkyl substance means a man-made chemical containing at least one fully fluorinated carbon atom and at least one nonfluorinated carbon atom. . (b) Annual reports (1) Reports Not later than 270 days after the date of the enactment of this Act, and annually thereafter, the Secretary of Defense shall submit to the Committees on Armed Services of the House of Representatives and the Senate a report containing a detailed description of the following: (A) Steps taken to identify covered items acquired by the Secretary of Defense that contain or are produced using perfluoroalkyl substances or polyfluoroalkyl substances. (B) Steps taken to limit the acquisition by the Secretary of covered items that contain or are produced using perfluoroalkyl substances or polyfluoroalkyl substances. (C) Planned steps of the Secretary to limit the acquisition of covered items that contain or are produced using perfluoroalkyl substances or polyfluoroalkyl substances. (2) Definitions In this subsection, the terms covered item , perfluoroalkyl substance , and polyfluoroalkyl substance have the meanings given those terms in section 333(b) of the National Defense Authorization Act for Fiscal Year 2021 ( Public Law 116–283 ; 10 U.S.C. 3062 note; 134 Stat. 3531), as amended by subsection (a).