EFFECTIVE DATE.

SEC. 115. EFFECTIVE DATE. (a) In General.— Except as provided in subsection (b), this sub-title, and the amendments made by this subtitle, take effect October 1, 1990, but the amendment made by section 111(b)(1) applies with respect to railroad cars arriving in the United States on or after July 7, 1986. (b) Exceptions.— The amendment made by section 111(d), and section 112, take effect on the date of the enactment of this Act.