Section 161.702 - Who will enforce this subpart?(a) BIA enforces the provisions of this subpart. If the Navajo Nation adopts the provisions of this subpart, the Navajo Nation will have concurrent jurisdiction to enforce this subpart. Additionally, if the Navajo Nation so requests, BIA will defer to tribal prosecution of trespass on Navajo Partitioned Lands.(b) Nothing in this subpart will be construed to diminish the sovereign authority of the Navajo Nation with respect to trespass.