The Commissioner of Indian Affairs, or in the absence of a Commissioner, the Deputy Commissioner, is responsible for Bureau of Indian Affairs-operated and contracted law enforcement programs, and for overall policy development and implementation of the Indian Law Enforcement Reform Act, Public Law 101-379 (25 U.S.C. 2801 et seq.).

The Director of the Office of Law Enforcement Services for the Bureau of Indian Affairs (Director) has been delegated the responsibility for the development of law enforcement and detention policies, standards, and management of all Bureau of Indian Affairs (BIA) criminal investigations, drug enforcement, training, internal affairs, inspection and evaluation, emergency response forces, and other national level Indian country law enforcement initiatives. The Director publishes these policies and standards in law enforcement manuals and handbooks. The Director is also directly responsible for developing crime prevention and outreach programs within Indian country law enforcement.

All BIA criminal investigators are supervised by other criminal investigators within the Office of Law Enforcement Services.

The agency superintendent is directly responsible for the operation and management of BIA uniformed police operations, detention facilities, and conservation enforcement operations at any agency having these programs. The agency superintendent must also ensure technical support is provided to any agency contracting the law enforcement and/or detention program.