7,500 Gallons Unleaded Fuel. Notice of Indian Small Business Economic Enterprise Set-Aside - Under the Buy Indian Act, 25 U.S.C. 47, offers are solicited only from Indian economic enterprises (Subpart 1480.8) that are also small business concerns. Any acquisition resulting from this solicitation will be from such a concern. Offers received from enterprises that are not both Indian economic enterprises and small business concerns will not be considered and will be rejected.