Beginning with fiscal year 2003, there shall be appropriated under this section for each fiscal year an amount that is not less than 20 percent of the total appropriations for such year under the Act of May 8, 1914 (
7 U.S.C.
341 et seq.), and related acts pertaining to cooperative extension work at the land-grant institutions identified in the Act of May 8, 1914 (
38 Stat. 372, chapter 79;
7 U.S.C.
341 et seq.), except that for the purpose of this calculation, the total appropriations shall not include amounts made available under section 3(d) of that Act (
7 U.S.C.
343
(d)).