43 C.F.R. § 4300.40 How long can I graze reindeer with my permit?
Title 43 - Public Lands: Interior
BLM issues permits for a maximum of 10 years, except when you request a shorter term, or when BLM determines that a shorter period is in the public interest. The issued permit will specify the number of years you can graze reindeer.
Title 43: Public Lands: Interior
PART 4300—GRAZING ADMINISTRATION; ALASKA; REINDEER; GENERAL
Conditions of Your Approved Permit
§ 4300.40 How long can I graze reindeer with my permit?

