The term Service Corps of Retired Executives means the Service Corps of Retired Executives established under section 8(b)(1)(B) of the Small Business Act ( 15 U.S.C. 637(b)(1)(B) ). (3) Small business development center The term small business development center has the meaning given in section 3 of the Small Business Act ( 15 U.S.C. 632 ). (4) Women’s business center The term women’s business center means a women’s business center as described under section 29 of the Small Business Act ( 15 U.S.C. 656 ). (d) Authorization of appropriations There is authorized to be appropriated $25,000,000 to the Administrator to carry out this Act, of which not less than $15,000,000 shall be used for grants to small business development centers.