Provides that a person shall not be deemed to have entered the lands owned or occupied by a nation, tribe, or band of Indians if such person is temporarily and continuously passing through such lands; provides that at the request of the Seneca nation, the superintendent of state police, a sheriff of a county that includes lands of the Seneca nation, or the chief of police of the city of Salamanca may enter into an agreement with the Seneca nation detailing the activities such law enforcement entity will undertake within the nation's federally-recognized Indian Country lands; provides that such agreements shall not be construed to limit powers, duties, and responsibilities to undertake activities on Indian lands; and provides that such agreements may include provisions related to the appointment of tribal members of Nation employees as police officers.