(a) The Navajo Nation must provide BIA with an official copy of any tribal law or tribal policy that relates to this part. The Navajo Nation must notify BIA of the content and effective dates of tribal laws.

(b) BIA will then notify affected permittees of the effect of the Navajo Nation law on their grazing permits. BIA will:

(1) Provide individual written notice; or

(2) Post public notice. This notice will be posted at the tribal community building, U.S. Post Office, announced on local radio station, and/or published in the local newspaper nearest to the permitted Navajo Partitioned Lands where activities are occurring.