; (B) in subtitle D ( 47 U.S.C. 1451 et seq. )— (i) in section 6406 ( 47 U.S.C. 1453 )— (I) by striking subsections (b) and (c); and (II) by inserting after subsection (a) the following: (b) Definition In this section, the term 5350 – 5470 MHz band means the portion of the electromagnetic spectrum between the frequencies from 5350 megahertz to 5470 megahertz. ; and (ii) by striking section 6408; and (C) by striking Assistant Secretary each place the term appears and inserting Under Secretary . (16) Ray Baum’s Act of 2018 The RAY BAUM’S Act of 2018 (division P of Public Law 115–141 ; 132 Stat. 348) is amended by striking Assistant Secretary each place the term appears and inserting Under Secretary . (17) Secure and Trusted Communications Networks Act of 2019 Section 8 of the Secure and Trusted Communications Networks Act of 2019 ( 47 U.S.C. 1607 ) is amended— (A) in subsection (c)(1), in the heading, by striking assistant secretary and inserting under secretary ; and (B) by striking Assistant Secretary each place the term appears and inserting Under Secretary . (18) Title 51, United States Code Section 50112(3) of title 51, United States Code, is amended, in the matter preceding subparagraph (A), by striking Assistant Secretary each place the term appears and inserting Under Secretary . (19) Consolidated Appropriations Act, 2021 The Consolidated Appropriations Act, 2021 ( Public Law 116–260 ; 134 Stat. 1182) is amended— (A) in title IX of division N— (i) in section 902(a)(2) ( 47 U.S.C. 1306(a)(2) ), in the heading, by striking assistant secretary and inserting under secretary ; (ii) in section 905 ( 47 U.S.C. 1705 )— (I) in subsection (a)(1), in the heading, by striking assistant secretary and inserting under secretary ; (II) in subsection (c)(3)(B), in the heading, by striking assistant secretary and inserting under secretary ; and (III) in subsection (d)(2)(B), in the heading, by striking assistant secretary and inserting under secretary