Under authority of section
13 of this title, the Secretary, through the Service, shall enter into contracts with, or make grants to, urban Indian organizations to assist such organizations in the establishment and administration, within the urban centers in which such organizations are situated, of programs which meet the requirements set forth in this subchapter. The Secretary, through the Service, shall include such conditions as the Secretary considers necessary to effect the purpose of this subchapter in any contract which the Secretary enters into with, or in any grant the Secretary makes to, any urban Indian organization pursuant to this subchapter.