The board may accept gifts, grants, or donations of real or personal property from any individual, group, association, or corporation or the United States government subject to such limitations or conditions as may be provided by law and provided that gifts, grants, or donations of money shall be deposited in the state treasury in the Texas opportunity plan fund, separately accounted for, and expended in accordance with the specific purpose for which given under such conditions as may be imposed by the donor and as provided by law.