Declares that duly sworn and commissioned tribal law enforcement or public safety officers who are employed by a tribal government, Indian nation, or the bureau of Indian affairs, and are assigned in Washington state, may exercise general authority peace officer powers over non-Indian persons when those individuals are on tribal lands or within the external boundaries of Indian reservations.

Provides that tribal law enforcement or public safety officers who are subject to an agreement with the Washington state patrol must successfully complete four hundred hours of basic police training that is approved by the director of the Washington law enforcement academy.

Recognizes that tribal law enforcement or public safety officers may exercise general authority peace officer powers over non-Indian persons if the employing tribal government, Indian nation, or the bureau of Indian affairs has entered into a written agreement with the Washington state patrol.