amendment by this section, or the application of any such provision to any person or circumstance, is held to be invalid for any reason, the remainder of this section and of amendments made by this section, and the application of the provisions and of the amendments made by this section to any other person or circumstance shall not be affected by such holding. (d) Effective dates (1) The amendments made by subsection (a) shall take effect upon the date of the enactment of this Act, and section 241 of the Immigration and Nationality Act, as so amended, shall in addition apply to— (A) all aliens subject to a final administrative removal, deportation, or exclusion order that was issued before, on, or after the date of the enactment of this Act