Office of Indian Services: operates the BIA's general assistance, disaster relief, Indian child welfare, tribal government, Indian self-determination, and Indian Reservation Roads Program.
Office of Justice Services (OJS): directly operates or funds law enforcement, tribal courts, and detention facilities on federal Indian lands. OJS funded 208law enforcement agencies, consisting of 43 BIA-operated police agencies, and 165tribally operated agencies under contract, or compact with the OJS. The office has seven areas of activity: Criminal Investigations and Police Services, Detention/Corrections, Inspection/Internal Affairs, Tribal Law Enforcement and Special Initiatives, the Indian Police Academy, Tribal Justice Support, and Program Management. The OJS also provides oversight and technical assistance to tribal law enforcement programs when and where requested. It operates four divisions: Corrections, Drug Enforcement, the Indian Police Academy, and Law Enforcement.
Office of Trust Services: works with tribes and individual American Indians and Alaska Natives in the management of their trust lands, assets, and resources.
The Office of Field Operations: oversees 12regional offices; Alaska, Great Plains, Northwest, Southern Plains, Eastern, Navajo, Pacific, Southwest, Eastern Oklahoma, Midwest, Rocky Mountain, and Western; and 83agencies, which carry out the mission of the bureau at the tribal level.
