; and (I) carry out other duties and authorities prescribed by the Director. (k) Other authorities (1) In general The Secretary may establish such other Executive Associate Directors, Assistant Directors, or other similar officers or officials, or other offices or positions as the Secretary determines necessary to carry out the missions, duties, functions, and authorities of U.S. Immigration and Customs Enforcement. (2) Notification If the Secretary exercises the authority provided pursuant to paragraph (1), the Secretary shall notify the Committee on Homeland Security and the Committee on the Judiciary of the House of Representatives and the Committee on Homeland Security and Governmental Affairs and the Committee on the Judiciary of the Senate not later than 30 days before exercising such authority. (l) Other Federal agencies Nothing in this section may be construed as affecting or limiting in any manner the authority, as in existence on the day before the date of the enactment of this section, of any other Federal agency or other component of the Department. . (b) Special rules (1) Treatment Section 442 of the Homeland Security Act of 2002, as amended by subsection (a) of this section, shall be treated as if included in such Act as of the date of the enactment of such Act. In addition to the functions, missions, duties, and authorities specified in such amended section 442, U.S. Immigration and Customs Enforcement shall continue to perform and carry out the functions, missions, duties, and authorities under section 442 of such Act as in existence on the day before such date of enactment (notwithstanding the treatment described in this paragraph). (2) Rules of construction (A) Rules and regulations Notwithstanding the treatment described in paragraph (1), nothing in this Act may be construed as affecting in any manner any rule or regulation issued or promulgated pursuant to any provision of law, including section 442 of the Homeland Security Act of 2002, as in existence on the day before the date of the