BIA will:

(a) Investigate accidental, willful, and/or incidental trespass on Navajo Partitioned Lands;

(b) Respond to alleged trespass in a prompt, efficient manner;

(c) Assess trespass penalties for the value of products used or removed, cost of damage to the Navajo Partitioned Lands, and enforcement costs incurred as a consequence of the trespass; and

(d) Ensure, to the extent possible, that damage to Navajo Partitioned Lands resulting from trespass is rehabilitated and stabilized at the expense of the trespasser.