Under authority of section
of this title, the Secretary, through the Service, may enter into contracts with, or make grants to, urban Indian organizations situated in urban centers for which contracts have not been entered into, or grants have not been made, under section
of this title. The purpose of a contract or grant made under this section shall be the determination of the matters described in subsection (b)(1) of this section in order to assist the Secretary in assessing the health status and health care needs of urban Indians in the urban center involved and determining whether the Secretary should enter into a contract or make a grant under section
of this title with respect to the urban Indian organization which the Secretary has entered into a contract with, or made a grant to, under this section.