To be eligible for assistance or services under this part, an applicant must meet all of the following criteria:
Meet the definition of Indian as defined in this part;
Not have sufficient resources to meet the essential need items defined by the Bureau standard of assistance for those Bureau programs providing financial payment;
Reside in the service area as defined in § 20.100; and
Meet the additional eligibility criteria for each of the specific programs of financial assistance or social services in §§ 20.301 through 20.516.