43 C.F.R. § 4300.55 What if I don't agree with an adjustment of my permit area?
Title 43 - Public Lands: Interior
You must contact BLM within the notice period to show cause why the area should not be adjusted. After the BLM field office manager makes a decision on the adjustment, you have the right to appeal that decision to the Interior Board of Land Appeals (IBLA) under 43 CFR part 4. The IBLA makes the final decision.
Title 43: Public Lands: Interior
PART 4300—GRAZING ADMINISTRATION; ALASKA; REINDEER; GENERAL
Changes in the Size of the Permit Area
§ 4300.55 What if I don't agree with an adjustment of my permit area?

