Subject to paragraphs (2) and (3), if the amount appropriated under section 9903(a) of this title for a fiscal year that remains after the Secretary makes the reservations required in section 9903(b) of this title exceeds $345,000,000, the Secretary shall allot to each State not less than ½ of 1 percent of the amount appropriated under section 9903(a) of this title for such fiscal year.

Paragraph (1) shall not apply with respect to a fiscal year if the amount allotted under subsection (a) to any State for that year is less than the amount allotted under section 9903(a)(1) of this title (as in effect on September 30, 1989) to such State for fiscal year 1990.

The amount allotted under paragraph (1) to a State for a fiscal year shall be reduced, if necessary, so that the aggregate amount allotted to such State under such paragraph and subsection (a) does not exceed 140 percent of the aggregate amount allotted to such State under the corresponding provisions of this chapter for the preceding fiscal year.